[LLVMbugs] [Bug 8567] New: Incorrect code for VLA pointers

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8567

           Summary: Incorrect code for VLA pointers
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: jed at 59a2.org
                CC: llvmbugs at cs.uiuc.edu


Problem is for pointer of form

double (*p)[n][5];

where n is a runtime parameter.  Test case attached.

$ gcc -Wall -std=c99 vla-bug.c && ./a.out
 test_static: size 15  diff 15
    test_var: size 15  diff 15
$ clang -Wall -std=c99 vla-bug.c && ./a.out
 test_static: size 15  diff 15
    test_var: size 15  diff 75

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