1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o 3# RUN: echo -e '.globl __cxa_finalize\n__cxa_finalize:' | \ 4# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux - -o %t2.o 5# RUN: ld.lld %t2.o -o %t2.so -shared 6# RUN: ld.lld %t1.o --as-needed --gc-sections %t2.so -o %t 7# RUN: llvm-readelf -dynamic-table -dyn-symbols %t | FileCheck %s 8 9# The crt files on linux have a weak reference to __cxa_finalize. It 10# is important that a weak undefined reference is produced. Like 11# other weak undefined references, the shared library is not marked as 12# needed. 13 14# CHECK-NOT: NEEDED 15# CHECK: WEAK DEFAULT UND __cxa_finalize 16# CHECK-NOT: NEEDED 17 18 .global _start 19_start: 20 .weak __cxa_finalize 21 call __cxa_finalize@PLT 22