[LLVMbugs] [Bug 15160] New: Parser crashes on type dependency checking in lambda expression

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Feb 5 04:25:29 PST 2013


            Bug ID: 15160
           Summary: Parser crashes on type dependency checking in lambda
           Product: clang
           Version: 3.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: lycantrophe at lavabit.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 9965
  --> http://llvm.org/bugs/attachment.cgi?id=9965&action=edit
Crash output w/ command line arguments

Frontend segfaults (signal 2) on parsing (and type checking) lambda expression.
GCC handles it fine.

OS: Ubuntu 12.10 with Linux 3.5.0-23-generic
Clang: clang 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
Flags: -std=c++0x -vc  

Expression that crashes:

      for( auto& g : graph ) {
          std::remove_if( g.begin(), g.end(), [&]( const int val )
              { return std::binary_search( H.cbegin(), H.cend(), G[ val ] ); }

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