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author | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-12-04 00:28:30 +0000 |
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committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-12-04 00:28:30 +0000 |
commit | 114d8843e607fd4856c2a35741a80cddb965f278 (patch) | |
tree | 7aab56d0949781e1d6418ddb66d3581e3bb2b396 /gcc/go | |
parent | 9394665eaf753ecd77e20c7f0d59fb226fb277eb (diff) | |
download | gcc-114d8843e607fd4856c2a35741a80cddb965f278.zip gcc-114d8843e607fd4856c2a35741a80cddb965f278.tar.gz gcc-114d8843e607fd4856c2a35741a80cddb965f278.tar.bz2 |
compiler: Don't permit go/defer argument to be parenthesized.
Fixes Go repository issue 4468.
From-SVN: r194112
Diffstat (limited to 'gcc/go')
-rw-r--r-- | gcc/go/gofrontend/parse.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/go/gofrontend/parse.cc b/gcc/go/gofrontend/parse.cc index fe463c7..c13f06b 100644 --- a/gcc/go/gofrontend/parse.cc +++ b/gcc/go/gofrontend/parse.cc @@ -4089,13 +4089,16 @@ Parse::go_or_defer_stat() || this->peek_token()->is_keyword(KEYWORD_DEFER)); bool is_go = this->peek_token()->is_keyword(KEYWORD_GO); Location stat_location = this->location(); - this->advance_token(); + + const Token* token = this->advance_token(); Location expr_location = this->location(); + bool is_parenthesized = token->is_op(OPERATOR_LPAREN); + Expression* expr = this->expression(PRECEDENCE_NORMAL, false, true, NULL); Call_expression* call_expr = expr->call_expression(); - if (call_expr == NULL) + if (is_parenthesized || call_expr == NULL) { - error_at(expr_location, "expected call expression"); + error_at(expr_location, "argument to go/defer must be function call"); return; } |