Clarified documentation.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index f735df5..af861be 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -2445,7 +2445,8 @@
}
/// EmitLocation - Emit metadata to indicate a change in line/column
-/// information in the source file.
+/// information in the source file. If the location is invalid, the
+/// previous location will be reused.
void CGDebugInfo::EmitLocation(CGBuilderTy &Builder, SourceLocation Loc,
bool ForceColumnInfo) {