[LLVMbugs] [Bug 18266] New: Crash on method with dependent return type

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Dec 17 04:38:39 PST 2013


            Bug ID: 18266
           Summary: Crash on method with dependent return type
           Product: clang
           Version: 3.3
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: arthur.j.odwyer at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11744
  --> http://llvm.org/bugs/attachment.cgi?id=11744&action=edit
output of "clang++ -std=c++11 -c t.cc -v"

cat >t.cc <<EOF
struct A { int f(); };

template<typename T>
struct B : A {
    auto g() -> decltype(T::f());

void h() {
  B<A> m;
clang++ -std=c++11 -c t.cc

Crashes with the attached "-v" output. Relevant snippet:
1.    <eof> parser at end of file
2.    t.cc:8:6: LLVM IR generation of declaration 'h'
3.    t.cc:8:6: Generating code for declaration 'h'
clang: error: unable to execute command: Segmentation fault: 11
clang: error: clang frontend command failed due to signal (use -v to see
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix

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