1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index a15903a..2f91e70 100644
--- a/gcc/c/c-decl.c
+++ b/gcc/c/c-decl.c
@@ -1420,6 +1420,8 @@ pop_file_scope (void)
   if (pch_file)
     {
       c_common_write_pch ();
+      /* Ensure even the callers don't try to finalize the CU.  */
+      flag_syntax_only = 1;
       return;
     }