gistfile1.txt

~/D/g/r/ruby (trunk) > gcc -v
Configured with: --prefix=/Applications/Xcode-beta.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 9.1.0 (clang-902.0.31)
Target: x86_64-apple-darwin17.5.0
Thread model: posix
InstalledDir: /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

~/D/g/r/ruby (trunk) > mk up
make: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
tool/config.guess already exists
tool/config.sub already exists
Downloading Unicode 10.0.0 data files...
Downloading bundled gem files...
../enc/unicode/data/10.0.0/ucd/UnicodeData.txt already exists
../enc/unicode/data/10.0.0/ucd/CompositionExclusions.txt already exists
../enc/unicode/data/10.0.0/ucd/NormalizationTest.txt already exists
../enc/unicode/data/10.0.0/ucd/CaseFolding.txt already exists
../enc/unicode/data/10.0.0/ucd/SpecialCasing.txt already exists
downloading for ext/fiddle/extlibs
.downloaded-cache/libffi-3.2.1.tar.gz already exists
checking md5 of .downloaded-cache/libffi-3.2.1.tar.gz ... OK
checking sha512 of .downloaded-cache/libffi-3.2.1.tar.gz ... OK
gems/did_you_mean-1.2.0.gem already exists
gems/minitest-5.11.3.gem already exists
gems/net-telnet-0.1.1.gem already exists
gems/power_assert-1.1.1.gem already exists
gems/rake-12.3.0.gem already exists
gems/test-unit-3.2.7.gem already exists
gems/xmlrpc-0.3.0.gem already exists
Current branch trunk is up to date.
make[1]: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
../revision.h updated
make[1]: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
make[1]: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
generating id.h
generating id.c
generating ../ext/rbconfig/sizeof/sizes.c
generating ../ext/rbconfig/sizeof/limits.c
generating miniprelude.c
make[2]: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
make[2]: '../enc/unicode/data/10.0.0/ucd' is up to date.
make[2]: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
compiling ../complex.c
make[2]: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/ext/rbconfig/sizeof'
make[2]: Entering directory '/Users/hsbt/Documents/github.com/ruby/ruby/ext/rbconfig/sizeof'
compiling ../random.c
compiling ../version.c
generating prelude.c
generating golf_prelude.c
limits.c updated
golf_prelude.c unchanged
prelude.c unchanged
id.c updated
generating enc/trans/newline.c ...
converter for universal_newline
converter for crlf_newline
converter for cr_newline
done.  (0.07user 0.03system 0.01elapsed)
miniprelude.c updated
id.h updated
sizes.c updated
../complex.c:196:26: error: use of undeclared identifier 'idTo_f'
    return rb_funcall(x, id_to_f, 0);
                         ^
../complex.c:43:17: note: expanded from macro 'id_to_f'
#define id_to_f idTo_f
                ^
../complex.c:196:12: error: returning 'void' from a function with incompatible result type 'VALUE' (aka 'unsigned long')
    return rb_funcall(x, id_to_f, 0);
           ^~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2484:43: note: expanded from macro 'rb_funcall'
# define rb_funcall(recv, mid, argc, ...) \
                                          ^
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2219:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2224:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:410:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &real, &imag)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2219:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2224:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:581:13: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    switch (rb_scan_args(argc, argv, "11", &abs, &arg)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:1487:5: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    rb_scan_args(argc, argv, "01", NULL);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:1487:5: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    rb_scan_args(argc, argv, "01", NULL);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2219:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:1487:5: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    rb_scan_args(argc, argv, "01", NULL);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2224:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs+1, varc, vari+1))
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:1487:5: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    rb_scan_args(argc, argv, "01", NULL);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../complex.c:1487:5: error: division by zero is undefined [-Werror,-Wdivision-by-zero]
    rb_scan_args(argc, argv, "01", NULL);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2199:9: note: expanded from macro 'rb_scan_args'
        rb_scan_args0(argc,argvp,fmt,\
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2372:9: note: expanded from macro 'rb_scan_args0'
                     (rb_scan_args_verify(fmt, varc), vars))
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2257:11: note: expanded from macro 'rb_scan_args_verify'
        verify = rb_scan_args_verify_count(fmt, varc); \
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
../include/ruby/ruby.h:2223:6: note: expanded from macro 'rb_scan_args_count_hash'
     rb_scan_args_count_block(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2218:6: note: expanded from macro 'rb_scan_args_count_block'
     rb_scan_args_count_end(fmt, ofs, varc, vari) : \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/ruby/ruby.h:2214:12: note: expanded from macro 'rb_scan_args_count_end'
    ((vari)/(!fmt[ofs] || rb_scan_args_bad_format(fmt)))
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make[1]: *** [Makefile:386: complex.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/ext/rbconfig/sizeof'
make[2]: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/ext/rbconfig/sizeof'
../lib/unicode_normalize/tables.rb unchanged
make[1]: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'
make: [uncommon.mk:1161: up] Error 2 (ignored)
make: Leaving directory '/Users/hsbt/Documents/github.com/ruby/ruby/.x86_64-darwin'