https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96284
--- Comment #12 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Florian Weimer <f...@gcc.gnu.org>: https://gcc.gnu.org/g:4ecfa6c4a9df19b364cbdf6d9de5f0b98c22bd8f commit r14-6036-g4ecfa6c4a9df19b364cbdf6d9de5f0b98c22bd8f Author: Florian Weimer <fwei...@redhat.com> Date: Fri Dec 1 08:10:13 2023 +0100 c: Turn -Wreturn-mismatch into a permerror gcc/ * doc/invoke.texi (Warning Options): Document that -Wreturn-mismatch is a permerror in C99 and later. gcc/c/ PR c/96284 * c-typeck.cc (c_finish_return): Use permerrors for OPT_Wreturn_mismatch diagnostics. gcc/testsuite/ * gcc.dg/permerror-default.c (return_mismatch_1) (return_mismatch_2): Expect new permerror. * gcc.dg/permerror-gnu89-nopermissive.c (return_mismatch_1): Likewise. * gcc.dg/permerror-system.c: Likewise. * gcc.dg/20030906-1.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/20030906-1a.c: New test. Copied from gcc.dg/20030906-1.c. Expect the error. * gcc.dg/20030906-2.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/20030906-2a.c: New test. Copied from gcc.dg/20030906-2.c. Expect the error. * gcc.dg/Wreturn-mismatch-1.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/Wreturn-mismatch-1a.c: New test. Copied from gcc.dg/Wreturn-mismatch-1.c. Expect the error. * gcc.dg/Wreturn-mismatch-2.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/Wreturn-mismatch-2a.c: New test. Copied from gcc.dg/Wreturn-mismatch-2.c. Expect the error. * gcc.dg/diagnostic-range-bad-return.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/diagnostic-range-bad-return-2.c: New test. Copied from gcc.dg/diagnostic-range-bad-return.c. Expect the error. * gcc.dg/pr105635-2.c: Expect -Wreturn-mismatch error. * gcc.dg/pr23075.c: Build with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/pr23075-2.c: New test. Copied from gcc.dg/pr23075.c. Expect the error. * gcc.dg/pr29521.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/pr29521-a.c: New test. Copied from gcc.dg/pr29521.c. Expect error. * gcc.dg/pr67730.c: Compile with -fpermissive due to expected -Wreturn-mismatch error. * gcc.dg/pr67730-a.c: New test. Copied from gcc.dg/pr67730-a.c. Expect error. * gcc.target/powerpc/conditional-return.c: Compile with -fpermissive due to expected -Wreturn-mismatch error.
