scan-build: Don't use realpath when the user provides an explicit path.

PR19583

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@207484 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/scan-build/scan-build b/tools/scan-build/scan-build
index 31dbfb4f257250d9c4fbc09db8e0e23e6709a52d..03cdac3d9d3d04695bf4291bb252ed471544648c 100755 (executable)
--- a/tools/scan-build/scan-build
+++ b/tools/scan-build/scan-build
@@ -1584,7 +1584,7 @@ else {
     }
   }
   else {
-    $Clang = Cwd::realpath($AnalyzerDiscoveryMethod);
+    $Clang = $AnalyzerDiscoveryMethod;
        if (!defined $Clang or not -x $Clang) {
          DieDiag("Cannot find an executable clang at '$AnalyzerDiscoveryMethod'\n");
        }