[LLVMbugs] [Bug 7178] New: Crash on invalid extra typename

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=7178

           Summary: Crash on invalid extra typename
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: abramobagnara at tin.it
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


$ cat bug.cc
template <typename T>
struct v { };

template <typename T>
struct s {
    typedef typename v<T> a;
};

s<int>::a x;
$ ~/llvm_new/Debug/bin/clang++ -cc1 bug.cc
bug.cc:6:19: error: expected a qualified name after 'typename'
        typedef typename v<T> a;
                         ^
clang++: SemaDecl.cpp:4866: clang::TypedefDecl*
clang::Sema::ParseTypedefDecl(clang::Scope*, clang::Declarator&,
clang::QualType, clang::TypeSourceInfo*): Assertion `D.getIdentifier() &&
"Wrong callback for declspec without declarator"' failed.
0  clang++         0x000000000139dcd5
1  clang++         0x000000000139e1c0
2  libpthread.so.0 0x00000036aa80f0f0
3  libc.so.6       0x00000036a9c32f05 gsignal + 53
4  libc.so.6       0x00000036a9c34a73 abort + 387
5  libc.so.6       0x00000036a9c2bef9 __assert_fail + 233
6  clang++         0x00000000006ba405
7  clang++         0x00000000006c9b0f
8  clang++         0x00000000006cd44d
9  clang++         0x00000000006f836f
10 clang++         0x0000000000a1c79f
11 clang++         0x0000000000a1cf6c
12 clang++         0x0000000000a1e449
13 clang++         0x0000000000a13943
14 clang++         0x0000000000a342dc
15 clang++         0x0000000000a34b08
16 clang++         0x0000000000a34be6
17 clang++         0x0000000000a17830
18 clang++         0x0000000000a0a0ae
19 clang++         0x0000000000a0a2e0
20 clang++         0x0000000000686b83
21 clang++         0x000000000045e26c
22 clang++         0x000000000045e369
23 clang++         0x000000000044afa5
24 clang++         0x0000000000431e94
25 clang++         0x0000000000436338 main + 233
26 libc.so.6       0x00000036a9c1e576 __libc_start_main + 230
27 clang++         0x0000000000430d19
Stack dump:
0.    Program arguments: /home/abagnara/llvm_new/Debug/bin/clang++ -cc1 bug.cc 
1.    bug.cc:6:24: current parser token 'a'
2.    bug.cc:5:1: parsing struct/union/class body 's'

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