commit ac9f7fb9a1c6508949aa57e88fe3a73ab4c4b645
author Richard Smith <richard-llvm@metafoo.co.uk> Sat Sep 15 01:59:39 2018 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> Sat Sep 15 01:59:39 2018 +0000
tree 59c1ee5e2a382313c605341935969d1964f75418
parent 8b464f299fe0358ed4b82ea269a63155081c73ff

[modules] Don't bother creating a global module fragment when building a
header module.

llvm-svn: 342307

clang/lib/Sema/Sema.cpp

diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index 4b0e69c..d777afe 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -827,7 +827,9 @@
 /// is parsed. Note that the ASTContext may have already injected some
 /// declarations.
 void Sema::ActOnStartOfTranslationUnit() {
-  if (getLangOpts().ModulesTS) {
+  if (getLangOpts().ModulesTS &&
+      (getLangOpts().getCompilingModule() == LangOptions::CMK_ModuleInterface ||
+       getLangOpts().getCompilingModule() == LangOptions::CMK_None)) {
     SourceLocation StartOfTU =
         SourceMgr.getLocForStartOfFile(SourceMgr.getMainFileID());