aboutsummaryrefslogtreecommitdiff
path: root/gcc/alias.h
diff options
context:
space:
mode:
authorJan Hubicka <hubicka@ucw.cz>2015-12-10 00:28:01 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2015-12-09 23:28:01 +0000
commit54363f8a92920f5559c83ddd53e480a27205e6b7 (patch)
tree8ef2dd128c31080dac218b7c43d96a8c2b68c98a /gcc/alias.h
parentda20571a7c2a7e44ccd5999356b1131f9aa6b2de (diff)
downloadgcc-54363f8a92920f5559c83ddd53e480a27205e6b7.zip
gcc-54363f8a92920f5559c83ddd53e480a27205e6b7.tar.gz
gcc-54363f8a92920f5559c83ddd53e480a27205e6b7.tar.bz2
re PR lto/61886 (LTO breaks fread with _FORTIFY_SOURCE=2)
PR ipa/61886 PR middle-end/25140 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use compare_base_decls (nonoverlapping_component_refs_of_decl_p): Update sanity check. (decl_refs_may_alias_p): Use compare_base_decls. * alias.c: Include cgraph.h (rtx_equal_for_memref_p): Use rtx_equal_for_memref_p. (compare_base_decls): New function. (base_alias_check): Likewise. (memrefs_conflict_p): Likewise. (nonoverlapping_memrefs_p): Likewise. * alias.h (compare_base_decls): Declare. * gcc.c-torture/execute/alias-2.c: New testcase. From-SVN: r231478
Diffstat (limited to 'gcc/alias.h')
-rw-r--r--gcc/alias.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/alias.h b/gcc/alias.h
index 8762eff..45cbb1b 100644
--- a/gcc/alias.h
+++ b/gcc/alias.h
@@ -36,6 +36,7 @@ extern int nonoverlapping_memrefs_p (const_rtx, const_rtx, bool);
extern void dump_alias_stats_in_alias_c (FILE *s);
tree reference_alias_ptr_type (tree);
bool alias_ptr_types_compatible_p (tree, tree);
+int compare_base_decls (tree, tree);
/* This alias set can be used to force a memory to conflict with all
other memories, creating a barrier across which no memory reference