Defined in 4 files as a macro:
- external/gpl3/gcc/dist/gcc/c/c-objc-common.h, line 66 (as a macro)
- external/gpl3/gcc/dist/gcc/cp/cp-objcp-common.h, line 106 (as a macro)
- external/gpl3/gcc/dist/gcc/langhooks-def.h, line 136 (as a macro)
- external/gpl3/gcc/dist/gcc/lto/lto-lang.c, line 1342 (as a macro)