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compiler: Reject invalid composite literals. 

From-SVN: r186767
This commit is contained in:
Ian Lance Taylor 2012-04-24 14:54:32 +00:00
parent 10632cb2bf
commit dad9d0ce3d
1 changed files with 10 additions and 1 deletions
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11
gcc/go/gofrontend/parse.cc
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@ -2865,7 +2865,16 @@ Parse::primary_expr(bool may_be_sink, bool may_be_composite_lit,
{
if (this->peek_token()->is_op(OPERATOR_LCURLY))
{
if (is_parenthesized)
if (!may_be_composite_lit)
{
Type* t = ret->type();
if (t->named_type() != NULL
|| t->forward_declaration_type() != NULL)
error_at(start_loc,
_("parentheses required around this composite literal"
"to avoid parsing ambiguity"));
}
else if (is_parenthesized)
error_at(start_loc,
"cannot parenthesize type in composite literal");
ret = this->composite_lit(ret->type(), 0, ret->location());