This patch by Chris Manghane changes the Go frontend to not create a
temporary with void type. This fixes https://golang.org/issue/11568 .
Bootstrapped and ran Go testsuite on x86_64-unknown-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE (revision 226719)
+++ gcc/go/gofrontend/MERGE (working copy)
@@ -1,4 +1,4 @@
-5891a4c0615f469edcefc6d7a85a88984ba940aa
+3bd90ea170b9c9aecedd37796acdd2712b29922b
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
Index: gcc/go/gofrontend/statements.cc
===================================================================
--- gcc/go/gofrontend/statements.cc (revision 226510)
+++ gcc/go/gofrontend/statements.cc (working copy)
@@ -348,7 +348,15 @@ Statement::make_variable_declaration(Nam
Type*
Temporary_statement::type() const
{
- return this->type_ != NULL ? this->type_ : this->init_->type();
+ Type* type = this->type_ != NULL ? this->type_ : this->init_->type();
+
+ // Temporary variables cannot have a void type.
+ if (type->is_void_type())
+ {
+ go_assert(saw_errors());
+ return Type::make_error_type();
+ }
+ return type;
}
// Traversal.
