---
mem2reg.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mem2reg.c b/mem2reg.c
index 5f1c968a0..493274df5 100644
--- a/mem2reg.c
+++ b/mem2reg.c
@@ -100,6 +100,8 @@ static int find_dominating_parents(struct symbol *sym, struct instruction *insn,
FOR_EACH_PTR_REVERSE(parent->insns, one) {
int dominance;
+ if (!one->bb)
+ continue;
if (one == insn)
goto no_dominance;
dominance = dominates(pseudo, insn, one, local);
@@ -180,6 +182,8 @@ static int find_dominating_stores(struct symbol *sym, struct instruction *insn,
partial = 0;
FOR_EACH_PTR(bb->insns, one) {
int dominance;
+ if (!one->bb)
+ continue;
if (one == insn)
goto found;
dominance = dominates(pseudo, insn, one, local);
@@ -250,6 +254,8 @@ static void kill_dead_stores(pseudo_t pseudo, unsigned long generation, struct b
FOR_EACH_PTR_REVERSE(bb->insns, insn) {
int opcode = insn->opcode;
+ if (!insn->bb)
+ continue;
if (opcode != OP_LOAD && opcode != OP_STORE) {
if (local)
continue;
--
2.14.0
--
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