=== If no file names and line numbers are shown below, one can run
            addr2line -Cpfie my_exefile my_line_address
    to convert `my_line_address` (e.g., 0x4a6b) into file name and line number.
    Or one can use amrex/Tools/Backtrace/parse_bt.py.

=== Please note that the line number reported by addr2line may not be accurate.
    One can use
            readelf -wl my_exefile | grep my_line_address'
    to find out the offset for that line.

 0: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x51cd76]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x51eb64]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x4225d0]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:274:1

 3: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x417a13]
    amrex::PlotFileDataImpl::nComp() const inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_PlotFileUtil.H:186:59 in main_main()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_PlotFileDataImpl.H:46:42
amrex::PlotFileData::nComp() const
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_PlotFileUtil.H:186:59
main_main()
/raid/testing/castro-gfortran/amrex/Tools/Plotfile/fcompare.cpp:121:35

 4: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x414600]
    main
/raid/testing/castro-gfortran/amrex/Tools/Plotfile/fcompare.cpp:391:22

 5: /lib64/libc.so.6(+0x2d560) [0x7fe8f8934560]
    __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58:16

 6: /lib64/libc.so.6(__libc_start_main+0x7c) [0x7fe8f893460c]
    call_init inlined at ../csu/libc-start.c:379:5 in __libc_start_main@@GLIBC_2.34
../csu/libc-start.c:128:20
__libc_start_main_impl
../csu/libc-start.c:379:5

 7: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x416f05]
    _start
??:0