aboutsummaryrefslogtreecommitdiff
path: root/gcc/cfgexpand.c
diff options
context:
space:
mode:
authorEric Botcazou <ebotcazou@adacore.com>2011-09-03 14:56:53 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2011-09-03 14:56:53 +0000
commit13868f4049616f5ac73bb89ce38474ada50ff28c (patch)
treecd3c3578717b3ddf37c3ceddfbcd16e8ecd43868 /gcc/cfgexpand.c
parent1822c31f05cbcece4d73aa95ec824bd0086af445 (diff)
downloadgcc-13868f4049616f5ac73bb89ce38474ada50ff28c.zip
gcc-13868f4049616f5ac73bb89ce38474ada50ff28c.tar.gz
gcc-13868f4049616f5ac73bb89ce38474ada50ff28c.tar.bz2
cfgexpand.c (add_stack_var): Assert that the alignment is not zero.
* 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. From-SVN: r178499
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 03a4409..1495633 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;