Remove redundant calls to BAA->getArchName().  No functional change
intended.

llvm-svn: 155718
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 0465827..7e8b529 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1348,9 +1348,10 @@
 
   if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
     const ToolChain *TC = &C.getDefaultToolChain();
+    const char *ArchName = BAA->getArchName();
 
-    if (BAA->getArchName())
-      TC = &getToolChain(C.getArgs(), BAA->getArchName());
+    if (ArchName)
+      TC = &getToolChain(C.getArgs(), ArchName);
 
     BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(),
                        AtTopLevel, LinkingOutput, Result);