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-rw-r--r--gcc/tree-if-conv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
index ca9503f3e47..99f3a9b3bd9 100644
--- a/gcc/tree-if-conv.c
+++ b/gcc/tree-if-conv.c
@@ -1712,6 +1712,9 @@ combine_blocks (struct loop *loop)
free (ifc_bbs);
ifc_bbs = NULL;
+
+ /* Post-dominators are corrupt now. */
+ free_dominance_info (CDI_POST_DOMINATORS);
}
/* If-convert LOOP when it is legal. For the moment this pass has no