[LLVMbugs] [Bug 17542] New: Core dump while parsing code with templates

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17542

            Bug ID: 17542
           Summary: Core dump while parsing code with templates
           Product: clang
           Version: 3.2
          Hardware: Sun
                OS: Solaris
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: phantall at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Environment details:

sparc-sun-solaris2.10
gcc 4.7.2
ocaml 4.0 (though I assume that's only for generating documentation?)
llvm-3.2
clang-3.2
compiler-rt-3.2

I had to make a number of edits to build scripts to ensure it used GNU tools
(like tail, head, grep, etc) ... otherwise, I've made no further changes.

I was able to build/install, though I don't think a single test is passing
right now.

I'm able to build C object files, but I have to link them with something else
because Tools.cpp needs support added for sparc/solaris.

However, C++ is another matter:

~ printf 'template < typename T >\nstruct Test;\n' \
| clang++ -xc++ -c -o blah.o -
clang: warning: unknown platform, assuming -mfloat-abi=soft
Stack dump:
0.      Program arguments: ${CLANG_BIN}/clang -cc1 -triple
sparc-sun-solaris2.10 -emit-obj -mrelax-all -disable-free -main-file-name -
-mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose
-mconstructor-aliases -msoft-float -target-feature +soft-float
-target-linker-version -momit-leaf-frame-pointer -coverage-file ${PWD}/blah.o
-resource-dir ${CLANG_BIN}/../lib/clang/3.2 -fmodule-cache-path
/var/tmp/clang-module-cache -fdeprecated-macro -fdebug-compilation-dir ${PWD}
-ferror-limit 19 -fmessage-length 225 -mstackrealign -fobjc-runtime=gcc
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
blah.o -x c++ -
1.      <stdin>:2:12: current parser token ';'
clang: error: unable to execute command: Bus Error (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.2 (tags/RELEASE_32/final)
Target: sparc-sun-solaris2.10
Thread model: posix


Unfortunately, this machine is not connected to the internet and I'm not able
to copy anything off of it so I'm not able to provide a core dump.  I also
wasn't expecting sparc/solaris to be this raw, so I didn't think to make a
debug build, so I'll have to rebuild it overnight to get you anything further. 
The core dump didn't give me a lot, but it's something:

~ gdb_solaris /path/to/clang core
GNU gdb (GDB) 7.2
(...)
Reading symbols (...)
Core was generated by `/path/to/clang -cc1 -triple sparc-sun-sola'
Program terminated with signal 10, Bus error.
#0  0x01066814 in
clang::TemplateSpecializationType::TemplateSpecializationType(clang::TemplateName,
clang::TemplateArgument const*, unsigned int, clang::QualType, clang::QualType)
()
(gdb) back
#0  0x01066814 in
clang::TemplateSpecializationType::TemplateSpecializationType(clang::TemplateName,
clang::TemplateArgument const*, unsigned int, clang::QualType, clang::QualType)
()
#1  0x00ec55bc in
clang::ASTContext::getCanonicalTemplateSpecializationType(clang::TemplateName,
clang::TemplateArgument const*, unsigned int) const ()
#2
...
#20 0x022787fc in main ()


Unfortunately, without a debug build I can't give line #s, so I'm not going to
bother typing up the rest of the stack trace.

I'll try to get more info later.

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