| # REQUIRES: x86 | 
 |  | 
 | # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o | 
 | # RUN: not ld.lld --eh-frame-hdr %t.o -o %t 2>&1 | FileCheck %s | 
 | # CHECK: error: unknown FDE size encoding | 
 |  | 
 | .section .eh_frame, "ax" | 
 |   .long 12   # Size | 
 |   .long 0x00 # ID | 
 |   .byte 0x01 # Version. | 
 |    | 
 |   .byte 0x52 # Augmentation string: 'R','\0' | 
 |   .byte 0x00 | 
 |    | 
 | # Code and data alignment factors. | 
 |   .byte 0x01 # LEB128 | 
 |   .byte 0x01 # LEB128 | 
 |  | 
 | # Return address register. | 
 |   .byte 0x01 # LEB128 | 
 |  | 
 |   .byte 0xFE # 'R' value: invalid <0xFE> | 
 |  | 
 |   .byte 0xFF | 
 |  | 
 |   .long 12  # Size | 
 |   .long 0x14 # ID | 
 |   .quad .eh_frame |