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| author | Richard Biener <rguenther@suse.de> | 2019-04-01 07:16:38 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-04-01 07:16:38 +0000 |
| commit | 2a82beaa820410600441f36e49e91a3a18e04fc5 (patch) | |
| tree | 490cacb54993cc607e3f50a0411bec1e99e8f8b3 /gcc/c/c-tree.h | |
| parent | acf8e57ae2ee28123fc04ce26635963751851824 (diff) | |
| download | gcc-2a82beaa820410600441f36e49e91a3a18e04fc5.zip gcc-2a82beaa820410600441f36e49e91a3a18e04fc5.tar.gz gcc-2a82beaa820410600441f36e49e91a3a18e04fc5.tar.bz2 | |
re PR c/71598 (Wrong optimization with aliasing enums)
2019-04-01 Richard Biener <rguenther@suse.de>
PR c/71598
* gimple.c: Include langhooks.h.
(gimple_get_alias_set): Treat enumeral types as the underlying
integer type.
c/
* c-tree.h (c_get_alias_set): Declare.
* c-objc-common.h (LANG_HOOKS_GET_ALIAS_SET): Use c_get_alias_set.
* c-objc-common.c (c_get_alias_set): Treat enumeral types
as the underlying integer type.
* gcc.dg/torture/pr71598-1.c: New testcase.
* gcc.dg/torture/pr71598-2.c: Likewise.
* gcc.dg/torture/pr71598-3.c: Likewise.
From-SVN: r270052
Diffstat (limited to 'gcc/c/c-tree.h')
| -rw-r--r-- | gcc/c/c-tree.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/c/c-tree.h b/gcc/c/c-tree.h index d6e345a..9393f6d 100644 --- a/gcc/c/c-tree.h +++ b/gcc/c/c-tree.h @@ -623,6 +623,7 @@ extern bool c_missing_noreturn_ok_p (tree); extern bool c_warn_unused_global_decl (const_tree); extern void c_initialize_diagnostics (diagnostic_context *); extern bool c_vla_unspec_p (tree x, tree fn); +extern alias_set_type c_get_alias_set (tree); /* in c-typeck.c */ extern int in_alignof; |