[LLVMbugs] [Bug 15808] New: clang crashes when compiling template

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15808

            Bug ID: 15808
           Summary: clang crashes when compiling template
           Product: clang
           Version: 3.2
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: llvmbugs-9floo at rtdt.eu
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10395
  --> http://llvm.org/bugs/attachment.cgi?id=10395&action=edit
reduced example file to trigger bug

Not sure if this is a bug. When compiling broken code clang crashes.
Works if line is changed to "struct foo<T> *temp = new struct foo<T>;"

console output:
###############################
clang: SemaTemplateInstantiate.cpp:2683: llvm::PointerUnion<clang::Decl*,
llvm::SmallVector<clang::Decl*, 4u>*>*
clang::LocalInstantiationScope::findInstantiationOf(const clang::Decl*):
Assertion `isa<LabelDecl>(D) && "declaration not instantiated in this scope"'
failed.
0  clang     0x09e87d18
1  clang     0x09e88284
2            0xb77b3400 __kernel_sigreturn + 0
3            0xb77b3424 __kernel_vsyscall + 16
4  libc.so.6 0xb750e941 gsignal + 81
5  libc.so.6 0xb7511d72 abort + 386
6  libc.so.6 0xb7507b58 __assert_fail + 248
7  clang     0x08a79219
clang::LocalInstantiationScope::findInstantiationOf(clang::Decl const*) + 425
Stack dump:
0.      Program arguments: /llvm/llvm-3.2.src/Release+Asserts/bin-array
-target-cpu pentium4 -target-linker-version 2.22
-momit-leaf-frame-pointeclude/c++/4.7 -internal-isystem
/usr/lib/gcc/i486-linux-gnu/4.7/../../../../inclsrc/Release+Asserts/bin/../lib/clang/3.2/include
-internal-externc-isystem /usr/ -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -fco
1.      <eof> parser at end of file
2.      a.cpp:8:3: instantiating function definition 'a'
clang: error: unable to execute command: Aborted
clang: error: clang frontend command failed due to signal (use -v to see
invocat
clang version 3.2 (tags/RELEASE_32/final)
Target: i386-pc-linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/
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: /tmp/a-z2Qjxz.cpp
clang: note: diagnostic msg: /tmp/a-z2Qjxz.sh
clang: note: diagnostic msg: 

********************

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