[LLVMbugs] [Bug 20458] New: Internal error: getKind() == Template && "Unexpected kind"

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20458

            Bug ID: 20458
           Summary: Internal error: getKind() == Template && "Unexpected
                    kind"
           Product: clang
           Version: 3.4
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: schnetter at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12830
  --> http://llvm.org/bugs/attachment.cgi?id=12830&action=edit
run script

I am using clang 3.4.2 with libstdc++ of gcc 4.9.0 on OS X. When executing this
command:

/Users/eschnett/SIMFACTORY/llvm-3.4.2/install/bin/clang++ -std=c++11 -c -x c++
tree.i

I encounter this internal error:

{{{
Assertion failed: (getKind() == Template && "Unexpected kind"), function
getAsTemplate, file
/Users/eschnett/SIMFACTORY/llvm-3.4.2/src/llvm-3.4.2.src/tools/clang/lib/Sema/../../include/clang/AST/TemplateBase.h,
line 264.
0  libLLVM-3.4.dylib 0x000000010cb1fb62 llvm::sys::PrintStackTrace(__sFILE*) +
34
Stack dump:
0.    Program arguments:
/Users/eschnett/SIMFACTORY/llvm-3.4.2/install/bin/clang -cc1 -triple
x86_64-apple-macosx10.9.0 -emit-obj -mrelax-all -disable-free -main-file-name
tree.i -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose
-munwind-tables -target-cpu core2 -target-linker-version 236.3 -coverage-file
/tmp/cc/mpi-rpc/tree.o -resource-dir
/Users/eschnett/SIMFACTORY/llvm-3.4.2/install/bin/../lib/clang/3.4.2
-stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir
/tmp/cc/mpi-rpc -ferror-limit 19 -fmessage-length 80 -stack-protector 1
-mstackrealign -fblocks -fobjc-runtime=macosx-10.9.0
-fencode-extended-block-signature -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o tree.o -x c++
tree.i 
1.    <eof> parser at end of file
2.    ./cxx_foldable.hh:47:1: instantiating function definition 'foldl'
clang: error: unable to execute command: Illegal instruction: 4
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.4.2 (tags/RELEASE_34/dot2-final)
Target: x86_64-apple-darwin13.3.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg:
/var/folders/gl/zvl8d6415vsbkd50nnll95k40000gs/T/tree-2dac1a.cpp
clang: note: diagnostic msg:
/var/folders/gl/zvl8d6415vsbkd50nnll95k40000gs/T/tree-2dac1a.sh
clang: note: diagnostic msg: 

********************
}}}

I attach the preprocessed source and the run script.

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