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-rw-r--r--gcc/final.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/final.c b/gcc/final.c
index 07e9619..25a4e84 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -3171,6 +3171,9 @@ get_mem_expr_from_op (op, paddressp)
*paddressp = 0;
+ if (op == NULL)
+ return 0;
+
if (GET_CODE (op) == REG && ORIGINAL_REGNO (op) >= FIRST_PSEUDO_REGISTER)
return REGNO_DECL (ORIGINAL_REGNO (op));
else if (GET_CODE (op) != MEM)