Command line: $ gcc testcase.c ----- testcase.c ----- #define STR2(A) #A #define STR(A) STR2(A)
#ifdef __DBL_DENORM_MIN__ char c[] = STR(__DBL_DENORM_MIN__); #endif ---------------------- It can be further reduced to: ----- testcase.c ----- #ifdef __DBL_DENORM_MIN__ __DBL_DENORM_MIN__; #endif ---------------------- Compiler output: $ gcc testcase.c testcase.c:5:34: internal compiler error: invalid built-in macro "__DBL_DENORM_MIN__" Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r163636 - crash r161170 - crash r159696 - OK -- Summary: [4.6 Regression] ICE: invalid built-in macro "__DBL_DENORM_MIN__" Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45457
