diff --git a/test/Bindings/llvm-c/Inputs/invalid.ll.bc b/test/Bindings/llvm-c/Inputs/invalid.ll.bc
index c6753320ae3..6d5a0bfd206 100644
Binary files a/test/Bindings/llvm-c/Inputs/invalid.ll.bc and b/test/Bindings/llvm-c/Inputs/invalid.ll.bc differ
diff --git a/test/Bindings/llvm-c/invalid-bitcode.test b/test/Bindings/llvm-c/invalid-bitcode.test
index c6aaaeb71fe..cd81b584974 100644
--- a/test/Bindings/llvm-c/invalid-bitcode.test
+++ b/test/Bindings/llvm-c/invalid-bitcode.test
@@ -1,13 +1,13 @@
 ; RUN: not llvm-c-test --module-dump < %S/Inputs/invalid.ll.bc 2>&1 | FileCheck %s
 ; RUN: not llvm-c-test --lazy-module-dump < %S/Inputs/invalid.ll.bc 2>&1 | FileCheck %s
 
-CHECK: Error parsing bitcode: Unknown attribute kind (63)
+CHECK: Error parsing bitcode: Unknown attribute kind (255)
 
 
 ; RUN: not llvm-c-test --new-module-dump < %S/Inputs/invalid.ll.bc 2>&1 | FileCheck --check-prefix=NEW %s
 ; RUN: not llvm-c-test --lazy-new-module-dump < %S/Inputs/invalid.ll.bc 2>&1 | FileCheck --check-prefix=NEW %s
 
-NEW: Error with new bitcode parser: Unknown attribute kind (63)
+NEW: Error with new bitcode parser: Unknown attribute kind (255)
 
 ; RUN: llvm-c-test --test-diagnostic-handler < %S/Inputs/invalid.ll.bc 2>&1 | FileCheck --check-prefix=DIAGNOSTIC %s
 
diff --git a/test/Bitcode/invalid.ll b/test/Bitcode/invalid.ll
index 4bbb4570f7e..99861c84560 100644
--- a/test/Bitcode/invalid.ll
+++ b/test/Bitcode/invalid.ll
@@ -1,6 +1,6 @@
 ; RUN:  not llvm-dis < %s.bc 2>&1 | FileCheck %s
 
-; CHECK: llvm-dis{{(\.EXE|\.exe)?}}: error: Unknown attribute kind (63)
+; CHECK: llvm-dis{{(\.EXE|\.exe)?}}: error: Unknown attribute kind (255)
 
 ; invalid.ll.bc has an invalid attribute number.
 ; The test checks that LLVM reports the error and doesn't access freed memory
diff --git a/test/Bitcode/invalid.ll.bc b/test/Bitcode/invalid.ll.bc
index a2b611e6c51..573988ee804 100644
Binary files a/test/Bitcode/invalid.ll.bc and b/test/Bitcode/invalid.ll.bc differ
diff --git a/test/LTO/X86/Inputs/invalid.ll.bc b/test/LTO/X86/Inputs/invalid.ll.bc
index c6753320ae3..6d5a0bfd206 100644
Binary files a/test/LTO/X86/Inputs/invalid.ll.bc and b/test/LTO/X86/Inputs/invalid.ll.bc differ
diff --git a/test/LTO/X86/invalid.ll b/test/LTO/X86/invalid.ll
index cc3127be362..f468647e874 100644
--- a/test/LTO/X86/invalid.ll
+++ b/test/LTO/X86/invalid.ll
@@ -1,4 +1,4 @@
 ; RUN: not llvm-lto %S/Inputs/invalid.ll.bc 2>&1 | FileCheck %s
 
 
-; CHECK: llvm-lto{{.*}}: error loading file '{{.*}}/Inputs/invalid.ll.bc': Unknown attribute kind (63)
+; CHECK: llvm-lto{{.*}}: error loading file '{{.*}}/Inputs/invalid.ll.bc': Unknown attribute kind (255)