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authorVolker Reichelt <reichelt@igpm.rwth-aachen.de>2006-05-11 14:58:54 +0000
committerVolker Reichelt <reichelt@gcc.gnu.org>2006-05-11 14:58:54 +0000
commit81e61fb4e6c11f360ee7cd5193fabac638ca0365 (patch)
tree85039a42152b0b05997b4831ff6c0bef28bffe08 /gcc/fold-const.c
parent80cdd94a6c80c6686d39660df2234ad9e9b31ce2 (diff)
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re PR middle-end/27488 (ICE in tree_expr_nonnegative_p)
PR middle-end/27488 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid expression. * gcc.dg/fold-nonneg-1.c: New test. From-SVN: r113699
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r--gcc/fold-const.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index ce68929..80d08c7 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -11796,6 +11796,9 @@ multiple_of_p (tree type, tree top, tree bottom)
int
tree_expr_nonnegative_p (tree t)
{
+ if (t == error_mark_node)
+ return 0;
+
if (TYPE_UNSIGNED (TREE_TYPE (t)))
return 1;