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-rw-r--r--gcc/tree-ssa-ifcombine.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ifcombine.c b/gcc/tree-ssa-ifcombine.c
index b812d9a..c18de7e 100644
--- a/gcc/tree-ssa-ifcombine.c
+++ b/gcc/tree-ssa-ifcombine.c
@@ -38,6 +38,7 @@ along with GCC; see the file COPYING3. If not see
#include "gimple-iterator.h"
#include "gimplify-me.h"
#include "tree-cfg.h"
+#include "tree-ssa.h"
#ifndef LOGICAL_OP_NON_SHORT_CIRCUIT
#define LOGICAL_OP_NON_SHORT_CIRCUIT \
@@ -122,6 +123,7 @@ bb_no_side_effects_p (basic_block bb)
continue;
if (gimple_has_side_effects (stmt)
+ || gimple_uses_undefined_value_p (stmt)
|| gimple_could_trap_p (stmt)
|| gimple_vuse (stmt))
return false;