diff options
| author | Jason Merrill <jason@redhat.com> | 2016-11-17 16:40:41 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2016-11-17 16:40:41 -0500 |
| commit | d168b3daa6f5aad0f5d57b9ac814dcd6e8243c61 (patch) | |
| tree | 56646e223299a79082b059fd82e40ca294c9e3a5 /gcc/cp/parser.c | |
| parent | 77b384c53f2229b05513fb4b297d4c93da04f01a (diff) | |
| download | gcc-d168b3daa6f5aad0f5d57b9ac814dcd6e8243c61.zip gcc-d168b3daa6f5aad0f5d57b9ac814dcd6e8243c61.tar.gz gcc-d168b3daa6f5aad0f5d57b9ac814dcd6e8243c61.tar.bz2 | |
PR c++/68377 - parenthesized expr in fold-expression
* parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
From-SVN: r242561
Diffstat (limited to 'gcc/cp/parser.c')
| -rw-r--r-- | gcc/cp/parser.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 9a5039f..3ab0b68 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -4679,7 +4679,9 @@ cp_parser_fold_expression (cp_parser *parser, tree expr1) /* The operands of a fold-expression are cast-expressions, so binary or conditional expressions are not allowed. We check this here to avoid tentative parsing. */ - if (is_binary_op (TREE_CODE (expr1))) + if (EXPR_P (expr1) && TREE_NO_WARNING (expr1)) + /* OK, the expression was parenthesized. */; + else if (is_binary_op (TREE_CODE (expr1))) error_at (location_of (expr1), "binary expression in operand of fold-expression"); else if (TREE_CODE (expr1) == COND_EXPR) |