// CHECK: callw 42
// CHECK: encoding: [0x66,0xe8,A,A]
callw 42
+
+// rdar://8127102
+// CHECK: movq %gs:(%rdi), %rax
+// CHECK: encoding: [0x65,0x48,0x8b,0x07]
+movq %gs:(%rdi), %rax
// CHECK: crc32b %bl, %eax
// CHECK: encoding: [0xf2,0x0f,0x38,0xf0,0xc3]