File: overwrite-sections-discard.test

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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# REQUIRES: x86
# RUN: split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o

## /DISCARD/ specified by OVERWRITE_SECTIONS can discard sections as well.

# RUN: ld.lld %t/overwrite.lds -T %t/main.lds %t/a.o -o %t1 2>&1 | count 0
# RUN: llvm-readelf -S -l %t1 | FileCheck %s
# RUN: ld.lld %t/overwrite.lds %t/overwrite.lds -T %t/main.lds %t/a.o -o %t1 2>&1 | count 0
# RUN: llvm-readelf -S -l %t1 | FileCheck %s

# CHECK:     Name
# CHECK-NOT: .data

#--- a.s
.globl _start
_start:

.section .data.1,"aw"; .byte 1
.section .data.2,"aw"; .byte 2

#--- main.lds
SECTIONS {
  /DISCARD/ : { *(.data.1) }
}

#--- overwrite.lds
OVERWRITE_SECTIONS {
  /DISCARD/ : { *(.data.2) }
}