[PATCH] Fix input validation issues in llvm-as/llvm-dis

[Alexey Samsonov]

LGTM with one comment.


REPOSITORY
  rL LLVM

================
Comment at: tools/llvm-as/llvm-as.cpp:67
@@ +66,3 @@
+      OutputFilename = IFN.endswith(".ll")
+                         ? std::string(IFN.begin(), IFN.end()-3)
+                         : IFN.str();
----------------
IFN.drop_back(3).str() (here and below)

http://reviews.llvm.org/D9584

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