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llvm-project/lld/test/COFF/comdat-gcc-compatibility.s

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[LLD][COFF] Enable linking of __declspec(selectany) symbols from Clang and GCC When annotating a symbol with __declspec(selectany), Clang assigns it comdat 2 while GCC assigns it comdat 3. This patch enables two object files that contain a __declspec(selectany) symbol, one created by gcc and the other by clang, to be linked together instead of issuing a duplicate symbol error. Differential Revision: https://reviews.llvm.org/D73139
2020-01-23 16:43:56 +08:00
# REQUIRES: x86
# RUN: llvm-mc %s -triple x86_64-pc-win32 -defsym obj=0 -filetype=obj -o %t1.obj
# RUN: llvm-mc %s -triple x86_64-pc-win32 -defsym obj=1 -filetype=obj -o %t2.obj
# RUN: lld-link /lldmingw /noentry /dll %t1.obj %t2.obj /out:%t3.dll
# RUN: not lld-link /noentry /dll %t1.obj %t2.obj /out:%t3.dll
.if obj==0
.section .text$nm, "", discard, symbol
.else
.section .text$nm, "", same_size, symbol
.endif
.globl symbol
symbol:
.long 1