Fix -Wunused-variable warnings after r364464

/work/llvm.monorepo/llvm/lib/Bitcode/Reader/BitcodeReader.cpp: In function
‘llvm::Expected<std::basic_string<char> > readIdentificationBlock(llvm::BitstreamCursor&)’:
/work/llvm.monorepo/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:205:22:
warning: unused variable ‘BitCode’ [-Wunused-variable]
     switch (unsigned BitCode = MaybeBitCode.get()) {
                      ^
/work/llvm.monorepo/llvm/lib/Bitcode/Reader/BitcodeReader.cpp: In member function
‘llvm::Error {anonymous}::ModuleSummaryIndexBitcodeReader::parseModule()’:
/work/llvm.monorepo/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:5367:26:
warning: unused variable ‘BitCode’ [-Wunused-variable]
         switch (unsigned BitCode = MaybeBitCode.get()) {
                          ^

llvm-svn: 364505

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 3e4ad52dc1e..86058687ab3 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -202,7 +202,7 @@ static Expected<std::string> readIdentificationBlock(BitstreamCursor &Stream) {
     Expected<unsigned> MaybeBitCode = Stream.readRecord(Entry.ID, Record);
     if (!MaybeBitCode)
       return MaybeBitCode.takeError();
-    switch (unsigned BitCode = MaybeBitCode.get()) {
+    switch (MaybeBitCode.get()) {
     default: // Default behavior: reject
       return error("Invalid value");
     case bitc::IDENTIFICATION_CODE_STRING: // IDENTIFICATION: [strchr x N]
@@ -5364,7 +5364,7 @@ Error ModuleSummaryIndexBitcodeReader::parseModule() {
         Expected<unsigned> MaybeBitCode = Stream.readRecord(Entry.ID, Record);
         if (!MaybeBitCode)
           return MaybeBitCode.takeError();
-        switch (unsigned BitCode = MaybeBitCode.get()) {
+        switch (MaybeBitCode.get()) {
         default:
           break; // Default behavior, ignore unknown content.
         case bitc::MODULE_CODE_VERSION: {