Make sure to always check the result of
SourceManager::getPresumedLoc(), so that we don't try to make use of
an invalid presumed location. Doing so can cause crashes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/SourceLocation.cpp b/lib/Basic/SourceLocation.cpp
index 7412b95..1571e22 100644
--- a/lib/Basic/SourceLocation.cpp
+++ b/lib/Basic/SourceLocation.cpp
@@ -43,6 +43,11 @@
if (isFileID()) {
PresumedLoc PLoc = SM.getPresumedLoc(*this);
+
+ if (PLoc.isInvalid()) {
+ OS << "<invalid>";
+ return;
+ }
// The instantiation and spelling pos is identical for file locs.
OS << PLoc.getFilename() << ':' << PLoc.getLine()
<< ':' << PLoc.getColumn();