lib/Frontend/InitHeaderSearch.cpp: Tweak AddPath() to accept "/foo/bar" (not "X:\foo\bar") with -isysroot. test/PCH/reloc.c can pass.
FIXME: We should consider better isysroot scheme on Win32 hosts.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130683 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 3da38fb..c552512 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -118,7 +118,12 @@
// Handle isysroot.
if ((Group == System || Group == CXXSystem) && !IgnoreSysRoot &&
+#if defined(_WIN32)
+ !MappedPathStr.empty() &&
+ llvm::sys::path::is_separator(MappedPathStr[0]) &&
+#else
llvm::sys::path::is_absolute(MappedPathStr) &&
+#endif
IsNotEmptyOrRoot) {
MappedPathStorage.clear();
MappedPathStr =
diff --git a/test/PCH/reloc.c b/test/PCH/reloc.c
index f15c776..fd78feb 100644
--- a/test/PCH/reloc.c
+++ b/test/PCH/reloc.c
@@ -1,7 +1,7 @@
// RUN: %clang_cc1 -emit-pch -o %t -relocatable-pch -isysroot %S/libroot %S/libroot/usr/include/reloc.h
// RUN: %clang_cc1 -include-pch %t -isysroot %S/libroot %s -verify
// RUN: not %clang_cc1 -include-pch %t %s
-// XFAIL: mingw,win32
+
#include <reloc.h>
int x = 2; // expected-error{{redefinition}}