[PATCH] D19959: [scan-build] fix warning emitted on Clang Driver code baseFix a "logic error" warning of the type Called c++ object pointer isnull" reported by Clang Static Analyzer on the file:- lib/Driver/Tools.cpp.

[Apelete Seketeli via cfe-commits]

apelete created this revision.
apelete added reviewers: kevin.qin, rsmith.
apelete added a subscriber: cfe-commits.

Signed-off-by: Apelete Seketeli <apelete at seketeli.net>

http://reviews.llvm.org/D19959

Files:
  lib/Driver/Tools.cpp

Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -2346,7 +2346,7 @@
     success = getAArch64MicroArchFeaturesFromMcpu(D, getAArch64TargetCPU(Args),
                                                   Args, Features);
 
-  if (!success)
+  if (!success && A)
     D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
 
   if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {


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