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-rw-r--r--gcc/expr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/expr.h b/gcc/expr.h
index 792c18c2423..9ffc61fd9a8 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -81,7 +81,7 @@ do { \
if (host_integerp (inc, 0)) \
(TO).constant += tree_low_cst (inc, 0); \
else if ((TO).var == 0) \
- (TO).var = inc; \
+ (TO).var = convert (ssizetype, inc); \
else \
(TO).var = size_binop (PLUS_EXPR, (TO).var, \
convert (ssizetype, inc)); \