llvm-project/lld/test/ELF/weak-entry.s

# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t
# RUN: ld.lld %t -o %tout
# RUN: llvm-nm %tout | FileCheck %s

# CHECK:      w _start
# CHECK-NEXT: T foo

.global foo
.weak _start
.text
foo:
	.dc.a _start
[ELF] Avoid promoting an undefined weak entry symbol to global. Without this patch, lld emits "error: undefined symbol: _start" if it encountered only weak references to that symbol. llvm-svn: 314790 2017-10-03 20:23:46 +08:00			`# REQUIRES: x86`
			`# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t`
			`# RUN: ld.lld %t -o %tout`
			`# RUN: llvm-nm %tout \| FileCheck %s`

			`# CHECK: w _start`
			`# CHECK-NEXT: T foo`

			`.global foo`
			`.weak _start`
			`.text`
			`foo:`
			`.dc.a _start`