Driver: Add Source argument for Commands to hold the Action which caused a
Command to be generated, to support more advanced diagnostics.
 - No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74627 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Job.cpp b/lib/Driver/Job.cpp
index 222cf15..1b0ea18 100644
--- a/lib/Driver/Job.cpp
+++ b/lib/Driver/Job.cpp
@@ -14,8 +14,10 @@
 
 Job::~Job() {}
 
-Command::Command(const char *_Executable, const ArgStringList &_Arguments)
-  : Job(CommandClass), Executable(_Executable), Arguments(_Arguments) {
+Command::Command(const Action &_Source, const char *_Executable, 
+                 const ArgStringList &_Arguments)
+  : Job(CommandClass), Source(_Source), Executable(_Executable), 
+    Arguments(_Arguments) {
 }
 
 PipedJob::PipedJob() : Job(PipedJobClass) {}