[LLVMbugs] [Bug 23151] New: Clang VLA internal failure.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Apr 7 10:02:48 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=23151

            Bug ID: 23151
           Summary: Clang VLA internal failure.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sasho648 at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

This code gives internal failure error no both C & C++ Clang compiler:

#include <stddef.h>
#include <stdio.h>


void func(size_t sz, int (*arr)[*])
{
    printf("%lu", sizeof(*arr) / sizeof(int));
}

int main()
{
    size_t sz = 3;

    int arr[sz];

    func(sz, &arr);
}

Life example:

http://melpon.org/wandbox/permlink/ygeV7ELkk49jRZFS

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