[llvm-bugs] [Bug 44523] New: nvlink error : Undefined reference to '__cxa_pure_virtual' in '/tmp/test2-d01e72.cubin'

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Jan 11 22:40:43 PST 2020


            Bug ID: 44523
           Summary: nvlink error   : Undefined reference to
                    '__cxa_pure_virtual' in '/tmp/test2-d01e72.cubin'
           Product: OpenMP
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Clang Compiler Support
          Assignee: unassignedclangbugs at nondot.org
          Reporter: itaru.kitayama at gmail.com
                CC: llvm-bugs at lists.llvm.org

The C++ code below doesn't build:

class AbsBase {
        virtual int f() = 0;
class Derived : public AbsBase {
        int a;
        int f() { a = 1; return a; }

int main() {
#pragma omp target parallel for
        for (int i=0;i<10;i++) {
                Derived d;

[kitayama1 at juronc12 ~]$ clang++ -fno-rtti -g -fopenmp -fopenmp-targets=nvptx64
nvlink error   : Undefined reference to '__cxa_pure_virtual' in
clang-10: error: nvlink command failed with exit code 255 (use -v to see

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