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authorebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>2011-09-03 14:56:53 +0000
committerebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>2011-09-03 14:56:53 +0000
commit0a4cd568b37db01d1dc2c160935faee75561aa37 (patch)
treecd3c3578717b3ddf37c3ceddfbcd16e8ecd43868 /gcc/cfgexpand.c
parentfb14449c7c426053a7909a94720c2499d80dc516 (diff)
downloadgcc-0a4cd568b37db01d1dc2c160935faee75561aa37.tar.gz
* cfgexpand.c (add_stack_var): Assert that the alignment is not zero.
* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Revert latest change. Force at least BITS_PER_UNIT alignment on the new variable. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178499 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgexpand.c')
-rw-r--r--gcc/cfgexpand.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index 03a4409eeda..1495633840b 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -271,6 +271,8 @@ add_stack_var (tree decl)
if (v->size == 0)
v->size = 1;
v->alignb = align_local_variable (SSAVAR (decl));
+ /* An alignment of zero can mightily confuse us later. */
+ gcc_assert (v->alignb != 0);
/* All variables are initially in their own partition. */
v->representative = stack_vars_num;