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| author | Marek Polacek <polacek@redhat.com> | 2016-05-11 17:07:37 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2016-05-11 17:07:37 +0000 |
| commit | 5c3a10fbc1d4e91287b635d6ff068c8f80dff8cd (patch) | |
| tree | e5ba1d4738473b86a982524a9ab092d6e15fa106 /gcc/testsuite/c-c++-common/attributes-3.c | |
| parent | 7cfb065b0e75bf8dab8337d1c3ce33f79110226f (diff) | |
| download | gcc-5c3a10fbc1d4e91287b635d6ff068c8f80dff8cd.zip gcc-5c3a10fbc1d4e91287b635d6ff068c8f80dff8cd.tar.gz gcc-5c3a10fbc1d4e91287b635d6ff068c8f80dff8cd.tar.bz2 | |
re PR c++/71024 (Missing warning for contradictory attributes)
PR c++/71024
* c-common.c (diagnose_mismatched_attributes): New function.
* c-common.h (diagnose_mismatched_attributes): Declare.
* c-decl.c (diagnose_mismatched_decls): Factor out code to
diagnose_mismatched_attributes and call it.
* decl.c (duplicate_decls): Call diagnose_mismatched_decls.
* c-c++-common/attributes-3.c: New test.
From-SVN: r236129
Diffstat (limited to 'gcc/testsuite/c-c++-common/attributes-3.c')
| -rw-r--r-- | gcc/testsuite/c-c++-common/attributes-3.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/attributes-3.c b/gcc/testsuite/c-c++-common/attributes-3.c new file mode 100644 index 0000000..821278c --- /dev/null +++ b/gcc/testsuite/c-c++-common/attributes-3.c @@ -0,0 +1,27 @@ +/* PR c++/71024 */ +/* { dg-do compile } */ +/* { dg-prune-output "declared but never defined" } */ + +void +fn0 (void) /* { dg-message "previous definition" } */ +{ +} +extern void __attribute__((optimize ("O2"))) fn0 (void); /* { dg-warning "optimization attribute" } */ + +extern __attribute__((noinline)) int fn1 (void); /* { dg-message "previous declaration" } */ +extern inline int fn1 (void); /* { dg-warning "inline declaration of" } */ + +extern inline int fn2 (void); /* { dg-message "previous declaration" } */ +extern __attribute__((noinline)) int fn2 (void); /* { dg-warning "attribute noinline follows inline declaration" } */ + +extern __attribute__((always_inline)) int fn3 (void); /* { dg-message "previous declaration" } */ +extern __attribute__((noinline)) int fn3 (void); /* { dg-warning "attribute .noinline. follows declaration with attribute .always_inline." } */ + +extern __attribute__((noinline)) int fn4 (void); /* { dg-message "previous declaration" } */ +extern __attribute__((always_inline)) int fn4 (void); /* { dg-warning "attribute .always_inline. follows declaration with attribute .noinline." } */ + +extern __attribute__((hot)) int fn5 (void); /* { dg-message "previous declaration" } */ +extern __attribute__((cold)) int fn5 (void); /* { dg-warning "attribute .cold. follows declaration with attribute .hot." } */ + +extern __attribute__((cold)) int fn6 (void); /* { dg-message "previous declaration" } */ +extern __attribute__((hot)) int fn6 (void); /* { dg-warning "attribute .hot. follows declaration with attribute .cold." } */ |