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-rw-r--r--gcc/c-common.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 79dab3f..1e7a065 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -3666,7 +3666,7 @@ c_expand_expr (exp, target, tmode, modifier)
out-of-scope after the first EXPR_STMT from within the
STMT_EXPR. */
push_temp_slots ();
- rtl_expr = expand_start_stmt_expr ();
+ rtl_expr = expand_start_stmt_expr (!STMT_EXPR_NO_SCOPE (exp));
/* If we want the result of this expression, find the last
EXPR_STMT in the COMPOUND_STMT and mark it as addressable. */
@@ -3703,6 +3703,12 @@ c_expand_expr (exp, target, tmode, modifier)
preserve_temp_slots (result);
}
+ /* If the statment-expression does not have a scope, then the
+ new temporaries we created within it must live beyond the
+ statement-expression. */
+ if (STMT_EXPR_NO_SCOPE (exp))
+ preserve_temp_slots (NULL_RTX);
+
pop_temp_slots ();
return result;
}