diff options
Diffstat (limited to 'gcc/cp/constexpr.c')
| -rw-r--r-- | gcc/cp/constexpr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index b349919b434..3465f1db54b 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -6159,12 +6159,18 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now, variable with automatic storage duration defined outside that lambda-expression, where the reference would be an odr-use. */ + + if (want_rval) + /* Since we're doing an lvalue-rvalue conversion, this might + not be an odr-use, so evaluate the variable directly. */ + return RECUR (DECL_CAPTURED_VARIABLE (t), rval); + if (flags & tf_error) { tree cap = DECL_CAPTURED_VARIABLE (t); error ("lambda capture of %qE is not a constant expression", cap); - if (!want_rval && decl_constant_var_p (cap)) + if (decl_constant_var_p (cap)) inform (input_location, "because it is used as a glvalue"); } return false; |