test

codegen.c

@@ -1180,11 +1180,12 @@ static int calling_convention(Obj *var, int *gp_count, int *fp_count, int *stack
   int gp = *gp_count, fp = *fp_count;
   for (; var; var = var->param_next) {
     Type *ty = var->ty;
-    assert(ty->size != 0);
 
     switch (ty->kind) {
     case TY_STRUCT:
     case TY_UNION:
+      if (ty->size == 0)
+        continue;
       if (ty->size <= 16) {
         int fp_inc = has_flonum1(ty) + (ty->size > 8 && has_flonum2(ty));
         int gp_inc = !has_flonum1(ty) + (ty->size > 8 && !has_flonum2(ty));

parse.c

@@ -4085,7 +4085,8 @@ static Node *primary(Token **rest, Token *tok) {
 
   if (equal(tok, "sizeof")) {
     Type *ty;
-    if (equal(tok->next, "(") && is_typename(tok->next->next)) {
+    if (equal(tok->next, "(") && is_typename(tok->next->next) &&
+      !equal(skip_paren(tok->next->next), "{")) {
       ty = typename(&tok, tok->next->next);
       *rest = skip(tok, ")");
     } else {

preprocess.c

@@ -1191,7 +1191,9 @@ static Token *directives(Token **cur, Token *start, bool is_root) {
     char *filename = read_include_filename(split_line(&tok, tok->next), &is_dquote);
     int incl_no = -1;
     char *path = search_include_paths2(filename, start, is_dquote, &incl_no);
-    return include_file(tok, path ? path : filename, start->next->next, &incl_no);
+    if (!path)
+      error_tok(start->next->next, "%s: cannot open file: %s", filename, strerror(errno));
+    return include_file(tok, path, start->next->next, &incl_no);
   }
 
   if (equal(tok, "include_next")) {