[libObject] Tweak expected error output from llvm-ar

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351259 91177308-0d34-0410-b5e6-96231b3b80d8

Author: rupprecht

test/Object/ar-create.test

@@ -13,5 +13,5 @@ RUN: rm -f %t.foo.a
 RUN: llvm-ar r %t.foo.a %t 2>&1 | FileCheck --check-prefix=CREATE %s
 RUN: rm -f %t.foo.a
 
-CHECK: llvm-ar{{(.exe|.EXE)?}}: error loading '{{[^']+}}.foo.a':
+CHECK: llvm-ar{{(.exe|.EXE)?}}: error: error loading '{{[^']+}}.foo.a':
 CREATE: creating {{.*}}.foo.a

test/Object/ar-error.test

@@ -3,4 +3,4 @@ Test if we get a proper error with a filename that doesn't exist
 RUN: not llvm-ar r %t.out.a sparkle.o %t 2>&1 | FileCheck %s
 
 # Don't check the message "No such file or directory".
-CHECK: llvm-ar{{(.exe|.EXE)?}}: sparkle.o:
+CHECK: llvm-ar{{(.exe|.EXE)?}}: error: sparkle.o:

test/Object/archive-extract.test

@@ -49,7 +49,7 @@ CHECK-GNU: 1465 Nov 19 03:01 2004 very_long_bytecode_file_name.bc
 CHECK-DARWIN: 1472 Nov 19 03:01 2004 very_long_bytecode_file_name.bc
 
 RUN: not llvm-ar x %p/Inputs/GNU.a foo.o 2>&1 | FileCheck --check-prefix=NOTFOUND %s
-NOTFOUND: foo.o was not found
+NOTFOUND: error: 'foo.o' was not found
 
 RUN: not llvm-ar x %p/Inputs/thin.a foo.o 2>&1 | FileCheck %s --check-prefix=THINEXTRACT
 THINEXTRACT: extracting from a thin archive is not supported