http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57580
Bug ID: 57580 Summary: Repeated _Pragma message directives in macro causes problems Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: preprocessor Assignee: unassigned at gcc dot gnu.org Reporter: drussel at gmail dot com Input: #define BROKEN \ _Pragma("message(\"message0\")") \ _Pragma("message(\"message1\")") BROKEN Output: gcc -c test.cpp test.cpp:5:2: error: stray ‘#’ in program test.cpp:5:27: note: #pragma message: message0 test.cpp:5:3: error: ‘pragma’ does not name a type gcc 4.6.3 and clang are both happy with the code.