[clang] Bump DIAG_SIZE_PARSE as we're hitting the limit downstream as of 6263de90df7f58c8b98475024d5eef102e10a372.
diff --git a/clang/include/clang/Basic/DiagnosticIDs.h b/clang/include/clang/Basic/DiagnosticIDs.h
index f2bd19f..f936d4f 100644
--- a/clang/include/clang/Basic/DiagnosticIDs.h
+++ b/clang/include/clang/Basic/DiagnosticIDs.h
@@ -39,7 +39,7 @@
       DIAG_SIZE_FRONTEND      =  200,
       DIAG_SIZE_SERIALIZATION =  120,
       DIAG_SIZE_LEX           =  500,
-      DIAG_SIZE_PARSE         =  700,
+      DIAG_SIZE_PARSE         =  800,
       DIAG_SIZE_AST           =  300,
       DIAG_SIZE_COMMENT       =  100,
       DIAG_SIZE_CROSSTU       =  100,