Defined in 5 files as a macro:
- contrib/gcc/config/darwin.h, line 678 (as a macro)
- contrib/gcc/config/elfos.h, line 223 (as a macro)
- contrib/gcc/config/i386/x86-64.h, line 87 (as a macro)
- contrib/gcc/config/rs6000/xcoff.h, line 93 (as a macro)
- contrib/gcc/target-def.h, line 101 (as a macro)