[PATCH] Add -fsanitize=leak to driver options.

[Sergey Matveev]

================
Comment at: lib/Driver/Tools.cpp:1605
@@ +1604,3 @@
+    D.Diag(diag::err_drv_argument_not_allowed_with)
+      << lastArgumentForKind(D, Args, Leak)
+      << lastArgumentForKind(D, Args, NeedsTsanRt);
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Alexey Samsonov wrote:
> Why not NeedsLeakDetection here?
ok

================
Comment at: lib/Driver/Tools.cpp:1609
@@ +1608,3 @@
+    D.Diag(diag::err_drv_argument_not_allowed_with)
+      << lastArgumentForKind(D, Args, Leak)
+      << lastArgumentForKind(D, Args, NeedsMsanRt);
----------------
Alexey Samsonov wrote:
> and here
ok

================
Comment at: lib/Driver/Tools.cpp:1718
@@ -1708,4 +1717,3 @@
       addSanitizerRTLinkFlagsLinux(TC, Args, CmdArgs, "asan", true);
-    }
   }
 }
----------------
Alexey Samsonov wrote:
> So, what about flipping the default leak detection on/off in presence of -fsanitize=address,leaks?
added a fixme


http://llvm-reviews.chandlerc.com/D837