diff options
Diffstat (limited to 'gcc/cp/expr.cc')
| -rw-r--r-- | gcc/cp/expr.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cp/expr.cc b/gcc/cp/expr.cc index 31fe098..56fc11f 100644 --- a/gcc/cp/expr.cc +++ b/gcc/cp/expr.cc @@ -397,6 +397,11 @@ fold_for_warn (tree x) { /* C++ implementation. */ + if (cp_unevaluated_operand) + /* In an unevaluated context we don't care about the reduced value + of an expression, so neither should any warnings. */ + return x; + /* Prevent warning-dependent constexpr evaluation from changing DECL_UID (which breaks -fcompare-debug) and from instantiating templates. */ |