[LLVMbugs] [Bug 21816] New: [fuzz] Assertion `SS.isSet() && "C++ scope was cleared ?"' failed.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Dec 10 12:39:29 PST 2014


            Bug ID: 21816
           Summary: [fuzz] Assertion `SS.isSet() && "C++ scope was cleared
                    ?"' failed.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sami.liedes at iki.fi
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13458
  --> http://llvm.org/bugs/attachment.cgi?id=13458&action=edit
test case

Fuzzing discovered that the attached test case, when given as input to

  clang -fno-crash-diagnostics -std=c++11 -xc++ -c -emit-llvm

causes this assertion failure:

clang-3.6: tools/clang/include/clang/Parse/Parser.h:2184:
clang::Parser::DeclaratorScopeObj::~DeclaratorScopeObj(): Assertion `SS.isSet()
&& "C++ scope was cleared ?"' failed.

This test case in particular is very small; it merely contains "::[]B::".

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