[LLVMbugs] [Bug 9898] New: debug assertion (and possibly more errors) in ~ScopedNullTerminator()

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9898

           Summary: debug assertion (and possibly more errors) in
                    ~ScopedNullTerminator()
           Product: new-bugs
           Version: 2.9
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: llvm.org at schrieb.de
                CC: llvmbugs at cs.uiuc.edu


When I start "opt -analyze -view-cfg SomeFile.s" with a Debug-compiled "opt" I
get 

Assertion failed: !str.empty() && str[str.size() - 1] == 0 && "Null char not
present!", file z:\code\llvm\llvm-2.9\lib\support\Windows/Path.inc, line 76

Probably this is because of line 115:

path.erase(--len);

which does not only erase the trailing slash, but also the trailing zero, that
~ScopedNullTerminator() wants to remove later.


Replacing this by

path.erase(--len,1);

seems to fix this.


Cheers,
Jonas

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