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Diffstat (limited to 'gcc/cp/tree.c')
| -rw-r--r-- | gcc/cp/tree.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 28bb512..fc3516d 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -129,6 +129,10 @@ lvalue_p_1 (tree ref, gcc_unreachable (); case MAX_EXPR: case MIN_EXPR: + /* Disallow <? and >? as lvalues if either argument side-effects. */ + if (TREE_SIDE_EFFECTS (TREE_OPERAND (ref, 0)) + || TREE_SIDE_EFFECTS (TREE_OPERAND (ref, 1))) + return clk_none; op1_lvalue_kind = lvalue_p_1 (TREE_OPERAND (ref, 0), treat_class_rvalues_as_lvalues); op2_lvalue_kind = lvalue_p_1 (TREE_OPERAND (ref, 1), |