diff options
Diffstat (limited to 'gcc/cp/mangle.c')
| -rw-r--r-- | gcc/cp/mangle.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c index 0e444097c1..ef864e733c 100644 --- a/gcc/cp/mangle.c +++ b/gcc/cp/mangle.c @@ -2774,6 +2774,39 @@ write_expression (tree expr) write_type (TREE_TYPE (TREE_OPERAND (expr, 0))); } else if (TREE_CODE (expr) == SIZEOF_EXPR + && ARGUMENT_PACK_P (TREE_OPERAND (expr, 0))) + { + tree args = ARGUMENT_PACK_ARGS (TREE_OPERAND (expr, 0)); + int length = TREE_VEC_LENGTH (args); + if (abi_warn_or_compat_version_crosses (10)) + G.need_abi_warning = true; + if (abi_version_at_least (10)) + { + /* sP <template-arg>* E # sizeof...(T), size of a captured + template parameter pack from an alias template */ + write_string ("sP"); + for (int i = 0; i < length; ++i) + write_template_arg (TREE_VEC_ELT (args, i)); + write_char ('E'); + } + else + { + /* In GCC 5 we represented this sizeof wrong, with the effect + that we mangled it as the last element of the pack. */ + tree arg = TREE_VEC_ELT (args, length-1); + if (TYPE_P (arg)) + { + write_string ("st"); + write_type (arg); + } + else + { + write_string ("sz"); + write_expression (arg); + } + } + } + else if (TREE_CODE (expr) == SIZEOF_EXPR && TYPE_P (TREE_OPERAND (expr, 0))) { write_string ("st"); @@ -3094,6 +3127,29 @@ write_expression (tree expr) "cannot be mangled"); continue; } + else if (FOLD_EXPR_P (expr)) + { + /* The first 'operand' of a fold-expression is the operator + that it folds over. */ + if (i == 0) + { + int fcode = TREE_INT_CST_LOW (operand); + write_string (operator_name_info[fcode].mangled_name); + continue; + } + else if (code == BINARY_LEFT_FOLD_EXPR) + { + /* The order of operands of the binary left and right + folds is the same, but we want to mangle them in + lexical order, i.e. non-pack first. */ + if (i == 1) + operand = FOLD_EXPR_INIT (expr); + else + operand = FOLD_EXPR_PACK (expr); + } + if (PACK_EXPANSION_P (operand)) + operand = PACK_EXPANSION_PATTERN (operand); + } write_expression (operand); } } |