[compiler-rt] r244946 - [UBSan] Enable 'help' option output, report unrecognized flags

[Alexey Samsonov via llvm-commits]

Author: samsonov
Date: Thu Aug 13 15:34:00 2015
New Revision: 244946

URL: http://llvm.org/viewvc/llvm-project?rev=244946&view=rev
Log:
[UBSan] Enable 'help' option output, report unrecognized flags

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

Patch by Svetlana Ryabkova!

Differential Revision: http://reviews.llvm.org/D11903

Modified:
    compiler-rt/trunk/lib/ubsan/ubsan_flags.cc

Modified: compiler-rt/trunk/lib/ubsan/ubsan_flags.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/ubsan/ubsan_flags.cc?rev=244946&r1=244945&r2=244946&view=diff
==============================================================================
--- compiler-rt/trunk/lib/ubsan/ubsan_flags.cc (original)
+++ compiler-rt/trunk/lib/ubsan/ubsan_flags.cc Thu Aug 13 15:34:00 2015
@@ -60,6 +60,9 @@ void InitializeFlags() {
   // Override from environment variable.
   parser.ParseString(GetEnv("UBSAN_OPTIONS"));
   SetVerbosity(common_flags()->verbosity);
+  if (Verbosity()) ReportUnrecognizedFlags();
+
+  if (common_flags()->help) parser.PrintFlagDescriptions();
 }
 
 }  // namespace __ubsan