[LLVMbugs] [Bug 22561] New: NSNumber literals crash clang

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=22561

            Bug ID: 22561
           Summary: NSNumber literals crash clang
           Product: clang
           Version: 3.5
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: 1101.debian at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13852
  --> http://llvm.org/bugs/attachment.cgi?id=13852&action=edit
Source to reproduce

Clang crashes when tries to build NSNumber literal after error.
See the code below for better explanation:

@class NSNumber;

void checkNSNumberFDDiagnostic() {
  id num = @1000;
}

@interface NSNumber
+ (NSNumber *)numberWithInt:(int)value;
@end

int main() {
  id num = @1000;
}

Run with:

clang -cc1 -fsyntax-only nsnumber_literal_crash.m

Expected output:

nsnumber_literal_crash.m:4:14: error: NSNumber must be available to use
Objective-C literals
    id num = @1000;
             ^
1 error generated.

Actual output:

nsnumber_literal_crash.m:4:14: error: NSNumber must be available to use
Objective-C literals
    id num = @1000;
             ^
Stack dump:
0.    Program arguments:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
-cc1 -fsyntax-only nsnumber_literal_crash.m 
1.    nsnumber_literal_crash.m:12:19: current parser token ';'
2.    nsnumber_literal_crash.m:11:12: parsing function body 'main'
3.    nsnumber_literal_crash.m:11:12: in compound statement ('{}')
[1]    6072 segmentation fault  clang -cc1 -fsyntax-only
nsnumber_literal_crash.m

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