Try to fix Windows bots after r355226.

Windows has two path separator characters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355235 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index 7cf4e1da5acfd602046caa616fa4ac8104b02836..69e18ed89987e327502b98ab7b17dc6169109ba2 100644 (file)
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -583,7 +583,8 @@ void MCContext::setGenDwarfRootFile(StringRef InputFileName, StringRef Buffer) {
   if (FileName.empty() || FileName == "-")
     FileName = "<stdin>";
   if (FileName.consume_front(getCompilationDir()))
-    FileName.consume_front(llvm::sys::path::get_separator());
+    if (llvm::sys::path::is_separator(FileName.front()))
+      FileName = FileName.drop_front();
   assert(!FileName.empty());
   setMCLineTableRootFile(
       /*CUID=*/0, getCompilationDir(), FileName, Cksum, None);