[llvm-bugs] [Bug 30974] New: Segmentation fault

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Thu Nov 10 05:58:38 PST 2016


https://llvm.org/bugs/show_bug.cgi?id=30974

            Bug ID: 30974
           Summary: Segmentation fault
           Product: clang
           Version: 3.9
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: weiss at wsoptics.de
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17577
  --> https://llvm.org/bugs/attachment.cgi?id=17577&action=edit
Preprocessed source file to reproduce segmentation fault

I get the following stack trace on the attached file.  Because of
isCopyOrMoveConstructor() appearing in the back trace, I filed it as relating
to the C++11 component.

#0 0x00007f4847258d58 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/lib/Support/Unix/Signals.inc:402:0
#1 0x00007f4847256a6e llvm::sys::RunSignalHandlers()
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/lib/Support/Signals.cpp:45:0
#2 0x00007f4847256d3c SignalHandler
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/lib/Support/Unix/Signals.inc:246:0
#3 0x00007f4844fa3380 (/lib64/libc.so.6+0x33380)
#4 0x00007f48417cccd8 clang::QualType::getTypePtr() const
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/include/clang/AST/Type.h:5260:0
#5 0x00007f48417cccd8 clang::QualType::operator->() const
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/include/clang/AST/Type.h:658:0
#6 0x00007f48417cccd8 clang::FunctionDecl::getNumParams() const
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/lib/AST/Decl.cpp:2743:0
#7 0x00007f48417e6455
clang::CXXConstructorDecl::isCopyOrMoveConstructor(unsigned int&) const
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/lib/AST/DeclCXX.cpp:1896:0
#8 0x00007f48417e65d9 clang::CXXConstructorDecl::isCopyConstructor(unsigned
int&) const
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/lib/AST/DeclCXX.cpp:1873:0
#9 0x00007f484077b2ed EvaluateUnaryTypeTrait
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/lib/Sema/SemaExprCXX.cpp:4227:0
#10 0x00007f484077b2ed evaluateTypeTrait
/usr/src/debug/sys-devel/llvm-3.9.0-r1/llvm-3.9.0.src/tools/clang/lib/Sema/SemaExprCXX.cpp:4325:0

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