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-rw-r--r--gcc/cfgexpand.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index b302591e66e..c44649e857d 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -2552,15 +2552,20 @@ expand_debug_expr (tree exp)
}
case MEM_REF:
- /* ??? FIXME. */
- if (!integer_zerop (TREE_OPERAND (exp, 1)))
- return NULL;
- /* Fallthru. */
case INDIRECT_REF:
op0 = expand_debug_expr (TREE_OPERAND (exp, 0));
if (!op0)
return NULL;
+ if (TREE_CODE (exp) == MEM_REF)
+ {
+ op1 = expand_debug_expr (TREE_OPERAND (exp, 1));
+ if (!op1 || !CONST_INT_P (op1))
+ return NULL;
+
+ op0 = plus_constant (op0, INTVAL (op1));
+ }
+
if (POINTER_TYPE_P (TREE_TYPE (exp)))
as = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (exp)));
else