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| author | Martin Sebor <msebor@redhat.com> | 2018-11-09 17:32:52 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2018-11-09 10:32:52 -0700 |
| commit | 79a2c4281c7dcaa6a138d24fd037c62453a12bde (patch) | |
| tree | dff179677c863457f73ef49310ef719591c305e7 /gcc/attribs.h | |
| parent | 900dab1338b45c8fa8d1b315dce53712b857da1d (diff) | |
| download | gcc-79a2c4281c7dcaa6a138d24fd037c62453a12bde.tar.gz | |
PR middle-end/81824 - Warn for missing attributes with function aliases
gcc/c-family/ChangeLog:
PR middle-end/81824
* c-attribs.c (handle_copy_attribute): New function.
gcc/cp/ChangeLog:
PR middle-end/81824
* pt.c (warn_spec_missing_attributes): Move code to attribs.c.
Call decls_mismatched_attributes.
gcc/ChangeLog:
PR middle-end/81824
* attribs.c (has_attribute): New helper function.
(decls_mismatched_attributes, maybe_diag_alias_attributes): Same.
* attribs.h (decls_mismatched_attributes): Declare.
* cgraphunit.c (handle_alias_pairs): Call maybe_diag_alias_attributes.
(maybe_diag_incompatible_alias): Use OPT_Wattribute_alias_.
* common.opt (-Wattribute-alias): Take an argument.
(-Wno-attribute-alias): New option.
* doc/extend.texi (Common Function Attributes): Document copy.
(Common Variable Attributes): Same.
* doc/invoke.texi (-Wmissing-attributes): Document enhancement.
(-Wattribute-alias): Document new option argument.
gcc/testsuite/ChangeLog:
PR middle-end/81824
* gcc.dg/Wattribute-alias.c: New test.
* gcc.dg/Wmissing-attributes.c: New test.
* gcc.dg/attr-copy.c: New test.
* gcc.dg/attr-copy-2.c: New test.
* gcc.dg/attr-copy-3.c: New test.
* gcc.dg/attr-copy-4.c: New test.
From-SVN: r265980
Diffstat (limited to 'gcc/attribs.h')
| -rw-r--r-- | gcc/attribs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/attribs.h b/gcc/attribs.h index c277e1b752d..5b76c4c400c 100644 --- a/gcc/attribs.h +++ b/gcc/attribs.h @@ -105,6 +105,12 @@ extern int attribute_list_contained (const_tree, const_tree); extern tree private_lookup_attribute (const char *attr_name, size_t attr_len, tree list); +extern unsigned decls_mismatched_attributes (tree, tree, tree, + const char* const[], + pretty_printer*); + +extern void maybe_diag_alias_attributes (tree, tree); + /* For a given IDENTIFIER_NODE, strip leading and trailing '_' characters so that we have a canonical form of attribute names. */ |