Merge branches 'cgcc-dash-x' and 'fixes'

* cgcc: do not die on '-x assembler'
* fix crash when inlining casts of erroneous expressions
- allow show_token() on TOKEN_ZERO_IDENT

Author: lucvoo

inline.c

@@ -155,6 +155,8 @@ static struct expression * copy_expression(struct expression *expr)
 
 	/* Cast/sizeof/__alignof__ */
 	case EXPR_CAST:
+		if (!expr->cast_expression)
+			return NULL;
 		if (expr->cast_expression->type == EXPR_INITIALIZER) {
 			struct expression *cast = expr->cast_expression;
 			struct symbol *sym = expr->cast_type;

tokenize.c

@@ -201,6 +201,7 @@ const char *show_token(const struct token *token)
 		return "end-of-input";
 
 	case TOKEN_IDENT:
+	case TOKEN_ZERO_IDENT:
 		return show_ident(token->ident);
 
 	case TOKEN_NUMBER:
@@ -259,6 +260,7 @@ const char *quote_token(const struct token *token)
 		return "syntax error";
 
 	case TOKEN_IDENT:
+	case TOKEN_ZERO_IDENT:
 		return show_ident(token->ident);
 
 	case TOKEN_NUMBER:

validation/inline-early/bug-bad-token.c

@@ -0,0 +1,15 @@
+inline void fun(int x)
+{
+	(typeof(@)) x;
+}
+
+void foo(void)
+{
+	fun;
+}
+
+/*
+ * check-name: bug-bad-token
+ * check-exit-value: 0
+ * check-error-ignore
+ */