Driver: Move Compilation::Execute to Driver::ExecuteCompilation.
 - The Compilation is just a helper class, it shouldn't have that amount of
   logic in it.

 - No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74634 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/driver/driver.cpp b/tools/driver/driver.cpp
index 804bef4..323283e 100644
--- a/tools/driver/driver.cpp
+++ b/tools/driver/driver.cpp
@@ -219,7 +219,7 @@
 
   int Res = 0;
   if (C.get())
-    Res = C->Execute();
+    Res = TheDriver.ExecuteCompilation(*C);
 
   llvm::llvm_shutdown();