llvm-for-llvmta/test/tools/llvm-cxxfilt/strip-underscore-default.test

UNSUPPORTED: system-darwin

## Show that on non-darwin systems, the default is to strip the leading
## underscore.

RUN: llvm-cxxfilt __Z1fv _Z2bav | FileCheck %s
CHECK: __Z1fv
CHECK: ba()