clang-cl: pass /nologo when falling back to cl.exe

llvm-svn: 191316

clang/lib/Driver/Tools.cpp

@@ -6702,6 +6702,7 @@ Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA,
                                            const ArgList &Args,
                                            const char *LinkingOutput) const {
   ArgStringList CmdArgs;
+  CmdArgs.push_back("/nologo");
   CmdArgs.push_back("/c"); // Compile only.
   CmdArgs.push_back("/W0"); // No warnings.
 

clang/test/Driver/cl-fallback.c

@@ -9,6 +9,7 @@
 // CHECK: "-fdiagnostics-format" "msvc-fallback"
 // CHECK: ||
 // CHECK: cl.exe
+// CHECK: "/nologo"
 // CHECK: "/c"
 // CHECK: "/W0"
 // CHECK: "-D" "foo=bar"