Florian Weimer <fwei...@redhat.com> writes:
> In the future, it may make sense to avoid cascading errors from > the implicit declaration, especially its assumed int return type. > This change here only changes the kind of the diagnostic, not > its wording or consequences. > > gcc/c/ > > * doc/invoke.texi (Warning Options): Document changes. > > gcc/c/ > > * c-decl.cc (implicit_decl_pedpermerror): Rename from > implicit_decl_warning. Call pedpermerror instead of > pedwarn and warning_at. > (implicitly_declare): Adjust callers. > > gcc/testsuite/ > > * c-c++-common/spellcheck-reserved.c (test, test_2): Expect > error instead of warning. > (f): Expect error instead of warning. > * gcc.dg/Wimplicit-function-declaration-c99.c: Compile with > -fpermissive due to expected warning. > * gcc.dg/Wimplicit-function-declaration-c99-2.c: New test. > Copied from gcc.dg/Wimplicit-function-declaration-c99.c. > Expect error. > * gcc.dg/missing-header-fixit-1.c: Compile with -fpermissive > due to expect error. > * gcc.dg/missing-header-fixit-1a.c: New test. Copied from > gcc.dg/missing-header-fixit-1.c, but expect error. > * gcc.dg/missing-header-fixit-2.c: Compile with -fpermissive > due to expect error. > * gcc.dg/missing-header-fixit-2a.c: New test. Copied from > gcc.dg/missing-header-fixit-2.c, but expect error. > * gcc.dg/missing-header-fixit-4.c: Compile with -fpermissive > due to expect error. > * gcc.dg/missing-header-fixit-4a.c: New test. Copied from > gcc.dg/missing-header-fixit-4.c, but expect error. > * gcc.dg/missing-header-fixit-5.c: Compile with -fpermissive > due to expect error. > * gcc.dg/missing-header-fixit-5a.c: New test. Copied from > gcc.dg/missing-header-fixit-5.c, but expect error. > * gcc.dg/pr61852.c: Expect implicit-function-declaration > error instead of warning. > * gcc.dg/spellcheck-identifiers-2.c: Compile with > -fpermissive due to expected warnings. > * gcc.dg/spellcheck-identifiers-2a.c: New test. Copied > from gcc.dg/spellcheck-identifiers-2a.c. Expect errors. > * gcc.dg/spellcheck-identifiers-3.c: Compile with > -fpermissive due to expected warnings. > * gcc.dg/spellcheck-identifiers-3a.c: New test. Copied > from gcc.dg/spellcheck-identifiers-2a.c. Expect errors. > * gcc.dg/spellcheck-identifiers-4.c: Compile with > -fpermissive due to expected warnings. > * gcc.dg/spellcheck-identifiers-4a.c: New test. Copied > from gcc.dg/spellcheck-identifiers-2a.c. Expect error. > * gcc.dg/spellcheck-identifiers.c: Compile with > -fpermissive due to expected warnings. > * gcc.dg/spellcheck-identifiers-1a.c: New test. Copied > from gcc.dg/spellcheck-identifiers.c. Expect errors. > * gcc.target/aarch64/sve/acle/general-c/ld1sh_gather_1.c (f1): > Expect error. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_index_1.c: > (f1): Likewise. > * > gcc.target/aarch64/sve/acle/general-c/load_ext_gather_index_restricted_1.c: > (f1): Likewise. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_1.c: > (f1): Likewise. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_2.c: > (f1): Likewise. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_3.c: > (f1): Likewise. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_4.c: > (f1): Likewise. > * gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_5.c: > (f1): Likewise. > * > gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_restricted_1.c: > (f1): Likewise. > * > gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_restricted_2.c: > (f1): Likewise. > * > gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_restricted_3.c: > (f1): Likewise. > * > gcc.target/aarch64/sve/acle/general-c/load_ext_gather_offset_restricted_4.c: > (f1): Likewise. This is PR91092. In due course, we'll also have to update the porting to GCC 14 page.
