# Test whether NetBSD core dumps are recognized correctly.

# Core dump generated by the following program:
# int main() {
#   void* v = 0;
#   *v = 1;
#   return 0;
# }

# RUN: lldb-test object-file %S/Inputs/netbsd-amd64.core | FileCheck %s
# CHECK: Architecture: x86_64-unknown-netbsd
# CHECK: Type: core file
