https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82512
Bug ID: 82512 Summary: attribute alias warning suppressed (the wrong way) Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: bernd.edlinger at hotmail dot de Target Milestone: --- $ cat test.c int f(int) __attribute__((alias("z"))); float z() { return 0; } $ gcc -Wall -W -c test.c no warning. I think this is actually unintentional