compiler: Don't make void-typed temporaries.

Fixes golang/go#11568. Change-Id: Ic1384bcb770a959320808c847bf0e8e12380a659 Reviewed-on: https://go-review.googlesource.com/12653 Reviewed-by: Ian Lance Taylor <[email protected]>
golang · Aug 11, 2015 · 3bd90ea · 3bd90ea
1 parent 5891a4c
commit 3bd90ea
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/go/statements.cc b/go/statements.cc
@@ -348,7 +348,15 @@ Statement::make_variable_declaration(Named_object* var)
 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.