[PATCH] D11903: [UBSan] Enable 'help' option output, report unrecognized flags

[Svetlana Ryabkova via llvm-commits]

ryabkova.svetlana created this revision.
ryabkova.svetlana added a reviewer: samsonov.
ryabkova.svetlana added a subscriber: llvm-commits.

Let UBSan output flag description if 'help' options is provided.
Report unrecognized flags if verbosity mode is turned on.

http://reviews.llvm.org/D11903

Files:
  lib/ubsan/ubsan_flags.cc

Index: lib/ubsan/ubsan_flags.cc
===================================================================
--- lib/ubsan/ubsan_flags.cc
+++ lib/ubsan/ubsan_flags.cc
@@ -60,6 +60,9 @@
   // Override from environment variable.
   parser.ParseString(GetEnv("UBSAN_OPTIONS"));
   SetVerbosity(common_flags()->verbosity);
+  if (Verbosity()) ReportUnrecognizedFlags();
+
+  if (common_flags()->help) parser.PrintFlagDescriptions();
 }
 
 }  // namespace __ubsan


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