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# REQUIRES: x86
# RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
## Discard an unused .gcc_except_table in a COMDAT group or having SHF_LINK_ORDER
## if the associated text section is discarded.
# RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov %t.o -o /dev/null | \
# RUN: FileCheck %s --implicit-check-not=.gcc_except_table
# CHECK: removing unused section {{.*}}.o:(.text._Z6comdatv)
# CHECK-NEXT: removing unused section {{.*}}.o:(.text._Z9linkorderv)
# CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z6comdatv)
# CHECK-NEXT: removing unused section {{.*}}.o:(.gcc_except_table._Z9linkorderv)
## An unused non-group non-SHF_LINK_ORDER .gcc_except_table is not discarded.
# RUN: ld.lld --gc-sections --print-gc-sections -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \
# RUN: FileCheck /dev/null --implicit-check-not=.gcc_except_table
## If the text sections are live, the .gcc_except_table sections are retained as
## well because they are referenced by .eh_frame pieces.
# RUN: ld.lld --gc-sections --print-gc-sections -u _Z3foov -u _Z6comdatv -u _Z9linkorderv %t.o -o /dev/null | \
# RUN: FileCheck %s --check-prefix=KEEP
# KEEP-NOT: .gcc_except_table
.section .text._Z3foov,"ax",@progbits
.globl _Z3foov
_Z3foov:
.cfi_startproc
ret
.cfi_lsda 0x1b,.Lexception0
.cfi_endproc
.section .text._Z6comdatv,"axG",@progbits,_Z6comdatv,comdat
.globl _Z6comdatv
_Z6comdatv:
.cfi_startproc
ret
.cfi_lsda 0x1b,.Lexception1
.cfi_endproc
.section .text._Z9linkorderv,"ax",@progbits
.globl _Z9linkorderv
_Z9linkorderv:
.cfi_startproc
ret
.cfi_lsda 0x1b,.Lexception2
.cfi_endproc
.section .gcc_except_table._Z3foov,"a",@progbits
.Lexception0:
.byte 255
.section .gcc_except_table._Z6comdatv,"aG",@progbits,_Z6comdatv,comdat
.Lexception1:
.byte 255
.section .gcc_except_table._Z9linkorderv,"ao",@progbits,_Z9linkorderv
.Lexception2:
.byte 255
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