[LLVMbugs] [Bug 9278] New: Allows "typedef auto".

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Feb 20 22:54:25 PST 2011


           Summary: Allows "typedef auto".
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: schaub.johannes at googlemail.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com

Clang incorrectly allows to "typedef" the auto type specifier, which makes it
crash later on.

int main() {
  typedef auto auto_type;
  auto_type t = 0;

It crashes on the use of "auto_type", whereas it should have given a diagnostic
at the typedef declaration already. 

0  clang 0x09237f98
Stack dump:
0.      Program arguments: [lots of stuff] main1.cpp 
1.      <eof> parser at end of file
2.      main1.cpp:2:5: LLVM IR generation of declaration 'main'
3.      main1.cpp:2:5: Generating code for declaration 'main'
4.      main1.cpp:2:12: LLVM IR generation of compound statement ('{}')
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal 1 (use -v to see

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