genname.c - type_append failed assertion

lldb-ponyc.txt

(lldb) bt
* thread #1, name = 'ponyc', stop reason = signal SIGABRT
    frame #0: 0x00007ffff3680be0 libc.so.6`__GI_raise + 256
    frame #1: 0x00007ffff3681dc1 libc.so.6`__GI_abort + 321
    frame #2: 0x00000000004c4010 ponyc`ponyint_assert_fail(expr=<unavailable>, file=<unavailable>, line=<unavailable>, func=<unavailable>) at ponyassert.c:60
  * frame #3: 0x00000000004baac7 ponyc`type_append(buf=0x00007fffe9f4cdc0, type=0x00007fffe9567b00, first=<unavailable>) at genname.c:63
    frame #4: 0x00000000004ba8fa ponyc`types_append(buf=0x00007fffe9f4cdc0, elements=<unavailable>) at genname.c:77
    frame #5: 0x00000000004bac5f ponyc`genname_fun at genname.c:69
    frame #6: 0x00000000004bac4f ponyc`genname_fun(cap=TK_TAG, name="_muxed_sink", typeargs=0x00007fffe9571a80) at genname.c:174
    frame #7: 0x00000000004a4101 ponyc`add_rmethod(r=0x00007fffea1c9500, t=0x00007fffec78ed00, n=0x00007fffe9569c80, cap=TK_TAG, typeargs=0x00007fffe9571a80, opt=0x00007fffffffb140, internal=false) at reach.c:334
    frame #8: 0x00000000004a50ba ponyc`reachable_method(r=0x00007fffea1c9500, reify=<unavailable>, type=<unavailable>, name="_muxed_sink", typeargs=0x00007fffe9571a80, opt=0x00007fffffffb140) at reach.c:1327
    frame #9: 0x00000000004a53e1 ponyc`reachable_fun(r=0x00007fffea1c9500, reify=0x00007fffe9569bc0, ast=<unavailable>, opt=0x00007fffffffb140) at reach.c:1071
    frame #10: 0x00000000004a576e ponyc`reachable_expr at reach.c:1096
    frame #11: 0x00000000004a5718 ponyc`reachable_expr(r=0x00007fffea1c9500, reify=0x00007fffe9569bc0, ast=0x00007ffff11cdc40, opt=0x00007fffffffb140) at reach.c:1192
    frame #12: 0x00000000004a5528 ponyc`reachable_expr(r=0x00007fffea1c9500, reify=0x00007fffe9569bc0, ast=<unavailable>, opt=0x00007fffffffb140) at reach.c:1307
    frame #13: 0x00000000004a5da7 ponyc`reach at reach.c:1383
    frame #14: 0x00000000004a5d61 ponyc`reach(r=0x00007fffea1c9500, type=<unavailable>, name=<unavailable>, typeargs=<unavailable>, opt=0x00007fffffffb140) at reach.c:1413
    frame #15: 0x00000000004b4465 ponyc`genexe(c=0x00007fffffffac90, program=0x00007ffff31f9c80) at genexe.c:506
    frame #16: 0x0000000000483489 ponyc`codegen(program=0x00007ffff31f9c80, opt=0x00007fffffffb140) at codegen.c:875
    frame #17: 0x0000000000423a66 ponyc`compile_package(path=<unavailable>, opt=0x00007fffffffb140, print_program_ast=<unavailable>, print_package_ast=<unavailable>) at main.c:67
    frame #18: 0x000000000042356d ponyc`main(argc=<unavailable>, argv=0x00007fffffffb318) at main.c:111
    frame #19: 0x00007ffff366db8e libc.so.6`__libc_start_main + 238
    frame #20: 0x000000000042397a ponyc`_start at start.S:120
(lldb) frame variable *type->t
(token_t) *type->t = {
  id = TK_TYPEPARAMREF
  source = 0x00007ffff2855cc0
  line = 109
  pos = 61
  printed = 0x0000000000000000
   = {
     = (string = 0x0000000000000000, str_length = 0)
    real = 0
    integer = (low = 0, high = 0)
  }
  frozen = false
}