Fix issue #157

src/check_expr.cpp

@@ -623,6 +623,7 @@ void check_assignment(Checker *c, Operand *operand, Type *type, String context_n
 	if (operand->mode == Addressing_Invalid) {
 		return;
 	}
+
 	#if 0
 	if (operand->mode == Addressing_Type) {
 		Type *t = base_type(type);
@@ -665,6 +666,7 @@ void check_assignment(Checker *c, Operand *operand, Type *type, String context_n
 		}
 	}
 
+
 	if (type == nullptr) {
 		return;
 	}

src/check_stmt.cpp

@@ -178,8 +178,12 @@ bool check_is_terminating(AstNode *node) {
 }
 
 Type *check_assignment_variable(Checker *c, Operand *lhs, Operand *rhs) {
-	if (rhs->mode == Addressing_Invalid ||
-	    (rhs->type == t_invalid && rhs->mode != Addressing_Overload)) {
+	if (rhs->mode == Addressing_Invalid) {
+		return nullptr;
+	}
+	if (rhs->type == t_invalid &&
+	    rhs->mode != Addressing_Overload &&
+	    rhs->mode != Addressing_Builtin) {
 		return nullptr;
 	}
 

src/ir.cpp

@@ -4828,7 +4828,7 @@ irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
 		GB_ASSERT_MSG(e != nullptr, "%s", expr_to_string(expr));
 		if (e->kind == Entity_Builtin) {
 			Token token = ast_node_token(expr);
-			GB_PANIC("TODO(bill): ir_build_single_expr Entity_Builtin '%.*s'\n"
+			GB_PANIC("TODO(bill): ir_build_expr Entity_Builtin '%.*s'\n"
 			         "\t at %.*s(%td:%td)", LIT(builtin_procs[e->Builtin.id].name),
 			         LIT(token.pos.file), token.pos.line, token.pos.column);
 			return nullptr;