diff options
Diffstat (limited to 'gcc/cp')
| -rw-r--r-- | gcc/cp/constexpr.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index ef37b30..4513d40 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -7502,7 +7502,6 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now, case OVERLOAD: case TEMPLATE_ID_EXPR: case LABEL_DECL: - case LABEL_EXPR: case CASE_LABEL_EXPR: case PREDICT_EXPR: case CONST_DECL: @@ -8411,6 +8410,14 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now, return false; } + case LABEL_EXPR: + t = LABEL_EXPR_LABEL (t); + if (DECL_ARTIFICIAL (t)) + return true; + else if (flags & tf_error) + error_at (loc, "label definition is not a constant expression"); + return false; + case ANNOTATE_EXPR: return RECUR (TREE_OPERAND (t, 0), rval); |