https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63413
Bug ID: 63413 Summary: cpp trying to expand "vector" word in commented line in fortran file on power8 Product: gcc Version: 4.9.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: preprocessor Assignee: unassigned at gcc dot gnu.org Reporter: valeryweber at hotmail dot com Hi All The following code produces a wrong error while cpp (4.9.1 power8 ppc64le). This gets cpp correctly on different archs. v cat tmp.F90 program test ! vector end program test cpp --version cpp (Ubuntu 4.9.1-15ubuntu1) 4.9.1 Copyright (C) 2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. cpp -traditional -P tmp.F90 tmp.F90:2:0: error: detected recursion whilst expanding macro "vector" ! vector ^ program test ! vector end program test