From: Devang Patel <dpatel@apple.com>
Date: Wed, 16 Feb 2011 18:40:36 +0000 (+0000)
Subject: If preprocessed token introduced empty filename then use main translation unit's... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bb6f54833cda9197511678d078f7d95d8da6f27e;p=clang

If preprocessed token introduced empty filename then use main translation unit's filename for debug info entries.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125672 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 9296b42e77..956c358743 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -161,7 +161,7 @@ llvm::DIFile CGDebugInfo::getOrCreateFile(SourceLocation Loc) {
   SourceManager &SM = CGM.getContext().getSourceManager();
   PresumedLoc PLoc = SM.getPresumedLoc(Loc);
 
-  if (PLoc.isInvalid())
+  if (PLoc.isInvalid() || llvm::StringRef(PLoc.getFilename()).empty())
     // If the location is not valid then use main input file.
     return DBuilder.CreateFile(TheCU.getFilename(), TheCU.getDirectory());
 
diff --git a/test/CodeGen/debug-info-crash.c b/test/CodeGen/debug-info-crash.c
index e0c9dd415b..8d6a360c64 100644
--- a/test/CodeGen/debug-info-crash.c
+++ b/test/CodeGen/debug-info-crash.c
@@ -19,3 +19,12 @@ dispatch_item_t LEGACY_dispatch_call(dispatch_queue_t dq,
     }
     );
 }
+
+// radar://9008853
+typedef struct P {
+  int x;
+} PS;
+# 1 ""
+void foo() {
+  PS p2;
+}