Check error line number in test

Author: kovdan01

llvm/test/MC/AArch64/ilp32-diagnostics.s

@@ -95,10 +95,10 @@ adr x24, :got_auth:sym
 // ERROR: [[#@LINE-1]]:1: error: ILP32 ADR AUTH relocation not supported (LP64 eqv: AUTH_GOT_ADR_PREL_LO21)
 
 adrp x24, :tlsdesc_auth:sym
-// ERROR: error: ILP32 ADRP AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_ADR_PAGE21)
+// ERROR: [[#@LINE-1]]:1: error: ILP32 ADRP AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_ADR_PAGE21)
 
 ldr x24, [x23, :tlsdesc_auth_lo12:sym]
-// ERROR: error: ILP32 64-bit load/store AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_LD64_LO12)
+// ERROR: [[#@LINE-1]]:1: error: ILP32 64-bit load/store AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_LD64_LO12)
 
 add x24, x23, :tlsdesc_auth_lo12:sym
-// ERROR: error: ILP32 ADD AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_ADD_LO12)
+// ERROR: [[#@LINE-1]]:1: error: ILP32 ADD AUTH relocation not supported (LP64 eqv: AUTH_TLSDESC_ADD_LO12)