gistfile1.txt

$ ldc2  -shared test.d -soname test.so -g

$ gcc test.c -L. -ltest -otest -g

$ LD_LIBRARY_PATH=`pwd`gdb ./test
./test: error while loading shared libraries: test.so: cannot open shared object file: No such file or directory

$ LD_LIBRARY_PATH=`pwd` gdb ./test

(gdb) b 5
Breakpoint 1 at 0x400608: file test.c, line 5.
(gdb) r
Starting program: /home/jonathan/gist1895766-f0e685b77e79cb33e4bf55282f991e627ec703cb/test 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Breakpoint 1, main () at test.c:5
5		test_func();
(gdb) l
1	void test_func();
2	
3	int main()
4	{
5		test_func();
6		return 0;
7	}
(gdb) s

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7dfbafa in std.stdio.__T7writelnTAyaZ.writeln() (_param_0=...) at /usr/include/d/std/stdio.d:1550
1550	    enforce(fprintf(.stdout.p.handle, "%.*s\n",

Did you get this fixed at some point? I have similar issues.