Add back warning about a PTH file not containing any identifiers, but don't make
it a hard error.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67424 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index b5f5afd..e547ce5 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -675,6 +675,12 @@
llvm::OwningPtr<PTHStringIdLookup> SL(PTHStringIdLookup::Create(StringIdTable,
BufBeg));
+
+ // Issue a warning about the PTH file containing no identifiers.
+ if (!FL->isEmpty() && SL->isEmpty()) {
+ InvalidPTH(Diags, "PTH file contains no identifiers.");
+ }
+
// Get the location of the spelling cache.
const unsigned char* spellingBaseOffset = PrologueOffset + sizeof(uint32_t)*3;
const unsigned char* spellingBase = BufBeg + ReadLE32(spellingBaseOffset);