Don't pattern match "/clang" so we don't mangle directory names.  Some
tests use absolute paths to clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122796 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/lit.cfg b/test/lit.cfg
index 638af28..b5c5706 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -156,7 +156,8 @@
 # includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
 # (llvm_tools_dir in lit parlance).
                 # Don't match 'bugpoint-' or 'clang-'.
-for pattern in [r"\bbugpoint\b(?!-)",   r"\bclang\b(?!-)",
+                                        # Don't match '/clang'.
+for pattern in [r"\bbugpoint\b(?!-)",   r"(?<!/)\bclang\b(?!-)",
                 r"\bedis\b",            r"\bgold\b",
                 r"\bllc\b",             r"\blli\b",
                 r"\bllvm-ar\b",         r"\bllvm-as\b",