[llvm-bugs] [Bug 51088] New: Target mapping error for target_struct_map.4.c Case 1

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jul 14 07:47:01 PDT 2021


            Bug ID: 51088
           Summary: Target mapping error for target_struct_map.4.c Case 1
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Clang Compiler Support
          Assignee: unassignedclangbugs at nondot.org
          Reporter: protze at itc.rwth-aachen.de
                CC: llvm-bugs at lists.llvm.org

Created attachment 25022
  --> https://bugs.llvm.org/attachment.cgi?id=25022&action=edit
Reduced code from the Examples document

The first case in the code example target_struct_map.4.c provided in the
upcoming OpenMP Examples document leads to a runtime error.

CUDA error: an illegal memory access was encountered 
Libomptarget error: Call to targetDataEnd failed, abort target.

The code runs fine, when removing mapping of S1.p.
Removing S1.p from the mapping would actually be an error, because there should
be no pointer attachment without mapping S1.p.

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