Revert r140589. It was causing failures during llvm compilation:

llvm[1]: Compiling CommandLine.cpp for Debug+Asserts build
if  /Users/void/llvm/llvm-opt.obj/Release+Asserts/bin/clang++ -I/Users/void/llvm/llvm.obj/include -I/Users/void/llvm/llvm.obj/lib/Support -I/Users/void/llvm/llvm.src/include -I/Users/void/llvm/llvm.src/lib/Support  -D_DEBUG -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -g -fno-exceptions -fno-common -Woverloaded-virtual -Wcast-qual   -m64 -Wall -W -Wno-unused-parameter -Wwrite-strings -c -MMD -MP -MF "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.d.tmp" -MT "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.o" -MT "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.d" /Users/void/llvm/llvm.src/lib/Support/CommandLine.cpp -o /Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.o ; \
            then /bin/mv -f "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.d.tmp" "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.d"; else /bin/rm "/Users/void/llvm/llvm.obj/lib/Support/Debug+Asserts/CommandLine.d.tmp"; exit 1; fi
In file included from /Users/void/llvm/llvm.src/lib/Support/CommandLine.cpp:25:
/Users/void/llvm/llvm.src/include/llvm/Support/system_error.h:690:14: error: unknown type name 'make_error_condition'; did you mean 'error_condition'?
    {*this = make_error_condition(_e);}
             ^~~~~~~~~~~~~~~~~~~~
             error_condition
...



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140599 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index c002dd3..f6bfb3a 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -70,8 +70,7 @@
                              Scope *S, CXXScopeSpec *SS,
                              bool isClassName, bool HasTrailingDot,
                              ParsedType ObjectTypePtr,
-                             bool WantNontrivialTypeSourceInfo,
-                             IdentifierInfo **CorrectedII) {
+                             bool WantNontrivialTypeSourceInfo) {
   // Determine where we will perform name lookup.
   DeclContext *LookupCtx = 0;
   if (ObjectTypePtr) {
@@ -146,51 +145,6 @@
   switch (Result.getResultKind()) {
   case LookupResult::NotFound:
   case LookupResult::NotFoundInCurrentInstantiation:
-    if (CorrectedII) {
-      TypoCorrection Correction = CorrectTypo(Result.getLookupNameInfo(),
-                                              Kind, S, SS, 0, false,
-                                              Sema::CTC_Type);
-      IdentifierInfo *NewII = Correction.getCorrectionAsIdentifierInfo();
-      TemplateTy Template;
-      bool MemberOfUnknownSpecialization;
-      UnqualifiedId TemplateName;
-      TemplateName.setIdentifier(NewII, NameLoc);
-      NestedNameSpecifier *NNS = Correction.getCorrectionSpecifier();
-      CXXScopeSpec NewSS, *NewSSPtr = SS;
-      if (SS && NNS) {
-        NewSS.MakeTrivial(Context, NNS, SourceRange(NameLoc));
-        NewSSPtr = &NewSS;
-      }
-      if (Correction && (NNS || NewII != &II) &&
-          // Ignore a correction to a template type as the to-be-corrected
-          // identifier is not a template (typo correction for template names
-          // is handled elsewhere).
-          !(getLangOptions().CPlusPlus && NewSSPtr &&
-            isTemplateName(S, *NewSSPtr, false, TemplateName, ParsedType(),
-                           false, Template, MemberOfUnknownSpecialization))) {
-        ParsedType Ty = getTypeName(*NewII, NameLoc, S, NewSSPtr,
-                                    isClassName, HasTrailingDot, ObjectTypePtr,
-                                    WantNontrivialTypeSourceInfo);
-        if (Ty) {
-          std::string CorrectedStr(Correction.getAsString(getLangOptions()));
-          std::string CorrectedQuotedStr(
-              Correction.getQuoted(getLangOptions()));
-          Diag(NameLoc, diag::err_unknown_typename_suggest)
-              << Result.getLookupName() << CorrectedQuotedStr
-              << FixItHint::CreateReplacement(SourceRange(NameLoc),
-                                              CorrectedStr);
-          if (NamedDecl *FirstDecl = Correction.getCorrectionDecl())
-            Diag(FirstDecl->getLocation(), diag::note_previous_decl)
-              << CorrectedQuotedStr;
-
-          if (SS && NNS)
-            SS->MakeTrivial(Context, NNS, SourceRange(NameLoc));
-          *CorrectedII = NewII;
-          return Ty;
-        }
-      }
-    }
-    // If typo correction failed or was not performed, fall through
   case LookupResult::FoundOverloaded:
   case LookupResult::FoundUnresolvedValue:
     Result.suppressDiagnostics();