llvm/test/CodeGen/X86/macho-comdat.ll - llvm-project - Git at Google

 ; RUN: not --crash llc -mtriple x86_64-apple-darwin < %s 2> %t
 ; RUN: FileCheck < %t %s

 $f = comdat any
 @v = global i32 0, comdat($f)
 ; CHECK: LLVM ERROR: MachO doesn't support COMDATs, 'f' cannot be lowered.
	; RUN: not --crash llc -mtriple x86_64-apple-darwin < %s 2> %t
	; RUN: FileCheck < %t %s

	$f = comdat any
	@v = global i32 0, comdat($f)
	; CHECK: LLVM ERROR: MachO doesn't support COMDATs, 'f' cannot be lowered.