ccc: Suffix for PCH files is appended, not replaced.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64466 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/ccc/ccclib/Driver.py b/tools/ccc/ccclib/Driver.py
index cda0161..43e145b 100644
--- a/tools/ccc/ccclib/Driver.py
+++ b/tools/ccc/ccclib/Driver.py
@@ -802,10 +802,13 @@
             if phase.type is Types.ImageType:
                 namedOutput = "a.out"
             else:
-                inputName = args.getValue(baseInput)
-                base,_ = os.path.splitext(inputName)
                 assert phase.type.tempSuffix is not None
-                namedOutput = base + '.' + phase.type.tempSuffix
+                inputName = args.getValue(baseInput)
+                if phase.type.appendSuffix:
+                    namedOutput = inputName + '.' + phase.type.tempSuffix
+                else:
+                    base,_ = os.path.splitext(inputName)
+                    namedOutput = base + '.' + phase.type.tempSuffix
 
             # Output to user requested destination?
             if atTopLevel and finalOutput: