| # REQUIRES: x86 | 
 |  | 
 | # RUN: not ld.lld --unknown1 --unkn=own2 -m foo /no/such/file -lnosuchlib \ | 
 | # RUN:   2>&1 | FileCheck -check-prefix=UNKNOWN %s | 
 |  | 
 | # UNKNOWN: error: unknown argument '--unknown1' | 
 | # UNKNOWN: error: unknown argument '--unkn=own2' | 
 | # UNKNOWN: error: unknown emulation: foo | 
 | # UNKNOWN: error: cannot open /no/such/file | 
 | # UNKNOWN: error: unable to find library -lnosuchlib | 
 |  | 
 | # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t | 
 | # RUN: not ld.lld %t -o /no/such/file 2>&1 | FileCheck -check-prefix=MISSING %s | 
 | # MISSING: error: cannot open output file /no/such/file | 
 |  | 
 | # RUN: ld.lld --help 2>&1 | FileCheck -check-prefix=HELP %s | 
 | # HELP: USAGE: | 
 | # HELP: : supported targets:{{.*}} elf | 
 |  | 
 | # RUN: not ld.lld --versin 2>&1 | FileCheck -check-prefix=SPELLVERSION %s | 
 | # SPELLVERSION: error: unknown argument '--versin', did you mean '--version' | 
 |  | 
 | ## Attempt to link DSO with -r | 
 | # RUN: ld.lld -shared %t -o %t.so | 
 | # RUN: not ld.lld -r %t.so %t -o /dev/null 2>&1 | FileCheck -check-prefix=ERR %s | 
 | # ERR: error: attempted static link of dynamic object | 
 |  | 
 | # RUN: not ld.lld -r -shared -pie --export-dynamic %t -o /dev/null 2>&1 | FileCheck -check-prefix=ERR2 %s | 
 | # ERR2: error: -r and -shared may not be used together | 
 | # ERR2: error: -r and -pie may not be used together | 
 | # ERR2: error: -r and --export-dynamic may not be used together | 
 |  | 
 | # RUN: not ld.lld -r --icf=all --gdb-index --debug-names %t -o /dev/null 2>&1 | FileCheck -check-prefix=ERR4 %s | 
 | # ERR4: error: -r and --gdb-index may not be used together | 
 | # ERR4: error: -r and --icf may not be used together | 
 | # ERR4: error: -r and --debug-names may not be used together | 
 |  | 
 | # RUN: not ld.lld -shared -pie %t -o /dev/null 2>&1 | FileCheck -check-prefix=ERR7 %s | 
 | # ERR7: error: -shared and -pie may not be used together | 
 |  | 
 | ## "--output=foo" is equivalent to "-o foo". | 
 | # RUN: not ld.lld %t --output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR8 %s | 
 | # ERR8: error: cannot open output file /no/such/file | 
 |  | 
 | ## "-output=foo" is equivalent to "-o utput=foo". | 
 | # RUN: not ld.lld %t -output=/no/such/file 2>&1 | FileCheck -check-prefix=ERR9 %s | 
 | # ERR9: error: cannot open output file utput=/no/such/file | 
 |  | 
 | # RUN: ld.lld %t -z foo -o /dev/null 2>&1 | FileCheck -check-prefix=ERR10 %s --implicit-check-not=warning: | 
 | # RUN: ld.lld %t -z foo -z rel -z rela -z max-page-size=1 -z common-page-size=1 -o /dev/null --version 2>&1 | \ | 
 | # RUN:   FileCheck -check-prefix=ERR10 %s --implicit-check-not=warning: | 
 | # ERR10: warning: unknown -z value: foo | 
 |  | 
 | ## Check we report "unknown -z value" error even with -v. | 
 | # RUN: ld.lld %t -z foo -z rel -o /dev/null -v 2>&1 | FileCheck -check-prefix=ERR10 %s --implicit-check-not=warning: | 
 |  | 
 | ## Note: in GNU ld, --fatal-warning still leads to a warning. | 
 | # RUN: not ld.lld %t -z foo --fatal-warnings 2>&1 | FileCheck --check-prefix=ERR10-FATAL %s | 
 | # ERR10-FATAL: error: unknown -z value: foo | 
 |  | 
 | # RUN: not ld.lld %t -z max-page-size 2>&1 | FileCheck -check-prefix=ERR11 %s | 
 | # ERR11: error: invalid max-page-size: | 
 |  | 
 | .globl _start | 
 | _start: | 
 |   nop |