fixup! fix test assertion

Author: Michael137

llvm/test/Bitcode/upgrade-DICompileUnit-no-versioned-language.test

@@ -12,10 +12,10 @@
 ; !llvm.dbg.cu = !{!0}
 ; !llvm.module.flags = !{!3, !4}
 ; 
-; !0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_ObjC_plus_plus, file: !1, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/")
+; !0 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !1, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/")
 ; !1 = !DIFile(filename: "cu.cpp", directory: "/tmp")
 ; !2 = !{}
 ; !3 = !{i32 7, !"Dwarf Version", i32 5}
 ; !4 = !{i32 2, !"Debug Info Version", i32 3}
 
-; CHECK: distinct !DICompileUnit(language: DW_LANG_C,
+; CHECK: distinct !DICompileUnit(language: DW_LANG_ObjC,