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authorUlrich Weigand <uweigand@de.ibm.com>2004-11-04 20:11:13 +0000
committerUlrich Weigand <uweigand@de.ibm.com>2004-11-04 20:11:13 +0000
commit43fb2d95e6e417a49acc65c7c62dbe3a9ed9c76b (patch)
tree0db24bfe2b9a4c70fca52c98ad9f0fd1dd54004d /gcc/cp/cp-objcp-common.c
parentee21fececda20cab0d664cc42173f064a394f793 (diff)
ChangeLog:
PR tree-optimization/18184 * c-typeck.c (comptypes): Do not treat pointers of different modes or alias-all flags as equivalent. * tree-ssa.c (tree_ssa_useless_type_conversion_1): Likewise. cp/ChangeLog: PR tree-optimization/18184 * cp-objcp-common.c (cxx_types_compatible_p): Do not treat pointers of different modes or alias-all flags as equivalent. * typeck.c (comptypes): Likewise. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@90078 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cp/cp-objcp-common.c')
-rw-r--r--gcc/cp/cp-objcp-common.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cp/cp-objcp-common.c b/gcc/cp/cp-objcp-common.c
index a58549b7326..9938b98f535 100644
--- a/gcc/cp/cp-objcp-common.c
+++ b/gcc/cp/cp-objcp-common.c
@@ -162,6 +162,8 @@ cxx_types_compatible_p (tree x, tree y)
interchangeable. FIXME should we try to replace all references with
pointers? */
if (POINTER_TYPE_P (x) && POINTER_TYPE_P (y)
+ && TYPE_MODE (x) == TYPE_MODE (y)
+ && TYPE_REF_CAN_ALIAS_ALL (x) == TYPE_REF_CAN_ALIAS_ALL (y)
&& same_type_p (TREE_TYPE (x), TREE_TYPE (y)))
return 1;