[SPARC] Fix multiarch path detection for sparc and sparcv9.

llvm-svn: 239047
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index c9fb5ad..4eb8994 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -3115,6 +3115,14 @@
     if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc64le-linux-gnu"))
       return "powerpc64le-linux-gnu";
     return TargetTriple.str();
+  case llvm::Triple::sparc:
+    if (llvm::sys::fs::exists(SysRoot + "/lib/sparc-linux-gnu"))
+      return "sparc-linux-gnu";
+    return TargetTriple.str();
+  case llvm::Triple::sparcv9:
+    if (llvm::sys::fs::exists(SysRoot + "/lib/sparc64-linux-gnu"))
+      return "sparc64-linux-gnu";
+    return TargetTriple.str();
   }
 }