Remove 'orc' namespace from MSVCErrorWorkarounds.h, fix some typos that were

breaking windows builds.

The 'orc' namespace was accidentally left in when the workarounds were moved
out of orc in r343011.

llvm-svn: 343025

llvm/include/llvm/Support/MSVCErrorWorkarounds.h

@@ -22,7 +22,6 @@
 #include "llvm/Support/Error.h"
 
 namespace llvm {
-namespace orc {
 
 // A default-constructible llvm::Error that is suitable for use with MSVC's
 // std::future implementation which requires default constructible types.
@@ -80,7 +79,6 @@ public:
       : Expected<T>(std::move(Other)) {}
 };
 
-} // end namespace orc
 } // end namespace llvm
 
 #endif // LLVM_SUPPORT_MSVCERRORWORKAROUNDS_H

llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp

@@ -1087,7 +1087,7 @@ Error RuntimeDyldImpl::resolveExternalSymbols() {
 
 #ifdef _MSC_VER
       using ExpectedLookupResult =
-          MSVCPExpected<JITSymbolResolver::LooupResult>;
+          MSVCPExpected<JITSymbolResolver::LookupResult>;
 #else
       using ExpectedLookupResult = Expected<JITSymbolResolver::LookupResult>;
 #endif

llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp

@@ -735,7 +735,7 @@ Expected<JITSymbolResolver::LookupResult> RuntimeDyldCheckerImpl::lookup(
     const JITSymbolResolver::LookupSet &Symbols) const {
 
 #ifdef _MSC_VER
-  using ExpectedLookupResult = MSVCPExpected<JITSymbolResolver::LooupResult>;
+  using ExpectedLookupResult = MSVCPExpected<JITSymbolResolver::LookupResult>;
 #else
   using ExpectedLookupResult = Expected<JITSymbolResolver::LookupResult>;
 #endif