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authorRichard Henderson <rth@redhat.com>2002-04-03 14:39:51 -0800
committerRichard Henderson <rth@gcc.gnu.org>2002-04-03 14:39:51 -0800
commitef4f94ac977780ceb14adc8dcbcc2eb2c23b5425 (patch)
treefd1d1d700f54be42454fcc88e95011014edff3f4 /gcc/c-tree.h
parent599bba86dffe8bd03676f4bf50bca436d3112b90 (diff)
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re PR rtl-optimization/4330 (Optimizer generates illegal assembly code)
PR opt/4330 * langhooks.h (lang_hooks.decls.warn_unused_global): New. * toplev.c (check_global_declarations): Use it. * langhooks-def.h (lhd_warn_unused_global_decl): Declare. (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. (LANG_HOOKS_DECLS): Add it. * langhooks.c (lhd_warn_unused_global_decl): New. * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. * c-objc-common.c (c_warn_unused_global_decl): New. * c-tree.h (c_warn_unused_global_decl): Declare. * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. * cp-lang.c (cxx_warn_unused_global_decl): New. (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. * g++.dg/warn/Wunused-2.C: New. * gcc.dg/unused-4.c: New. From-SVN: r51818
Diffstat (limited to 'gcc/c-tree.h')
-rw-r--r--gcc/c-tree.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index 503e045..eef5742 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -237,6 +237,7 @@ extern const char *c_objc_common_init PARAMS ((const char *));
extern int c_missing_noreturn_ok_p PARAMS ((tree));
extern void c_objc_common_finish_file PARAMS ((void));
extern int defer_fn PARAMS ((tree));
+extern bool c_warn_unused_global_decl PARAMS ((tree));
#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \
c_build_qualified_type ((TYPE), \