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-rw-r--r--gcc/tree-ssa-pre.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 6f9fac5..364272d 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -4913,6 +4913,8 @@ remove_dead_inserted_code (void)
continue;
gimple *t = SSA_NAME_DEF_STMT (def);
+ if (gimple_has_side_effects (t))
+ continue;
/* Add uses to the worklist. */
ssa_op_iter iter;