From: Douglas Gregor <dgregor@apple.com>
Date: Thu, 11 Oct 2012 00:48:48 +0000 (+0000)
Subject: Remove an unused bit from the serialized IdentifierInfo
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7097be90d3549c30438b7a94b35577003d0a434f;p=clang

Remove an unused bit from the serialized IdentifierInfo

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165683 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 013178c555..8db74f28d4 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -97,7 +97,7 @@ void Preprocessor::addLoadedMacroInfo(IdentifierInfo *II, MacroInfo *MI) {
              PrevPrev->isDefined());
 
     // FIXME: Actually use the ambiguity information for something.
-    
+
     // Wire this macro information into the chain.
     MI->setPreviousDefinition(Prev->getPreviousDefinition());
     Prev->setPreviousDefinition(MI);
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 6e3eee9533..f23c0992af 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -540,8 +540,6 @@ IdentifierInfo *ASTIdentifierLookupTrait::ReadData(const internal_key_type& k,
   Bits >>= 1;
   bool hadMacroDefinition = Bits & 0x01;
   Bits >>= 1;
-  bool hasMacroDefinition = Bits & 0x01;
-  Bits >>= 1;
 
   assert(Bits == 0 && "Extra bits in the identifier?");
   DataLen -= 8;
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 98e841cb2b..9f4789227f 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -2632,8 +2632,6 @@ public:
     clang::io::Emit16(Out, Bits);
     Bits = 0;
     bool HadMacroDefinition = hadMacroDefinition(II, Macro);
-    bool HasMacroDefinition = HadMacroDefinition && II->hasMacroDefinition();
-    Bits = (Bits << 1) | unsigned(HasMacroDefinition);
     Bits = (Bits << 1) | unsigned(HadMacroDefinition);
     Bits = (Bits << 1) | unsigned(II->isExtensionToken());
     Bits = (Bits << 1) | unsigned(II->isPoisoned());