[PATCH] Fixing warnings revealed by gcc release build

[Edwin Vane]

Hi gribozavr,

Fixed used-uninitialized and set-but-not-used warnings.

http://llvm-reviews.chandlerc.com/D342

Files:
  lib/AST/ASTDiagnostic.cpp
  lib/AST/CommentParser.cpp
  lib/AST/Decl.cpp
  lib/Basic/LangOptions.cpp
  lib/CodeGen/CGObjCGNU.cpp
  lib/Sema/SemaChecking.cpp
  lib/Sema/SemaLambda.cpp
  lib/StaticAnalyzer/Core/SymbolManager.cpp

Index: lib/AST/ASTDiagnostic.cpp
===================================================================
--- lib/AST/ASTDiagnostic.cpp
+++ lib/AST/ASTDiagnostic.cpp
@@ -846,7 +846,7 @@
       // Handle Expressions
       if (NonTypeTemplateParmDecl *DefaultNTTPD =
               dyn_cast<NonTypeTemplateParmDecl>(ParamND)) {
-        Expr *FromExpr, *ToExpr;
+        Expr *FromExpr = 0, *ToExpr = 0;
         llvm::APSInt FromInt, ToInt;
         unsigned ParamWidth = 128; // Safe default
         if (DefaultNTTPD->getType()->isIntegralOrEnumerationType())
Index: lib/AST/CommentParser.cpp
===================================================================
--- lib/AST/CommentParser.cpp
+++ lib/AST/CommentParser.cpp
@@ -306,9 +306,9 @@
 BlockCommandComment *Parser::parseBlockCommand() {
   assert(Tok.is(tok::command));
 
-  ParamCommandComment *PC;
-  TParamCommandComment *TPC;
-  BlockCommandComment *BC;
+  ParamCommandComment *PC = 0;
+  TParamCommandComment *TPC = 0;
+  BlockCommandComment *BC = 0;
   bool IsParam = false;
   bool IsTParam = false;
   const CommandInfo *Info = Traits.getCommandInfo(Tok.getCommandID());
Index: lib/AST/Decl.cpp
===================================================================
--- lib/AST/Decl.cpp
+++ lib/AST/Decl.cpp
@@ -665,6 +665,7 @@
       break;
     }
   }
+  (void)D;
   assert(!D || D->CachedLinkage == CachedLinkage);
 }
 
Index: lib/Basic/LangOptions.cpp
===================================================================
--- lib/Basic/LangOptions.cpp
+++ lib/Basic/LangOptions.cpp
@@ -14,7 +14,11 @@
 
 using namespace clang;
 
-const SanitizerOptions SanitizerOptions::Disabled = {};
+const SanitizerOptions SanitizerOptions::Disabled = {
+#define SANITIZER(NAME, ID) 0,
+#include "clang/Basic/Sanitizers.def"
+};
+
 
 LangOptions::LangOptions() {
 #define LANGOPT(Name, Bits, Default, Description) Name = Default;
Index: lib/CodeGen/CGObjCGNU.cpp
===================================================================
--- lib/CodeGen/CGObjCGNU.cpp
+++ lib/CodeGen/CGObjCGNU.cpp
@@ -1353,7 +1353,7 @@
   MessageSendInfo MSI = getMessageSendInfo(Method, ResultType, ActualArgs);
 
   // Get the IMP to call
-  llvm::Value *imp;
+  llvm::Value *imp = 0;
 
   // If we have non-legacy dispatch specified, we try using the objc_msgSend()
   // functions.  These are not supported on all platforms (or all runtimes on a
Index: lib/Sema/SemaChecking.cpp
===================================================================
--- lib/Sema/SemaChecking.cpp
+++ lib/Sema/SemaChecking.cpp
@@ -6727,7 +6727,7 @@
   // Variable declaration that has type_tag_for_datatype attribute.
   const ValueDecl *VD = NULL;
 
-  uint64_t MagicValue;
+  uint64_t MagicValue = 0;
 
   if (!FindTypeTagExpr(TypeExpr, Ctx, &VD, &MagicValue))
     return false;
Index: lib/Sema/SemaLambda.cpp
===================================================================
--- lib/Sema/SemaLambda.cpp
+++ lib/Sema/SemaLambda.cpp
@@ -736,7 +736,7 @@
   // Collect information from the lambda scope.
   SmallVector<LambdaExpr::Capture, 4> Captures;
   SmallVector<Expr *, 4> CaptureInits;
-  LambdaCaptureDefault CaptureDefault;
+  LambdaCaptureDefault CaptureDefault = LCD_None;
   CXXRecordDecl *Class;
   CXXMethodDecl *CallOperator;
   SourceRange IntroducerRange;
Index: lib/StaticAnalyzer/Core/SymbolManager.cpp
===================================================================
--- lib/StaticAnalyzer/Core/SymbolManager.cpp
+++ lib/StaticAnalyzer/Core/SymbolManager.cpp
@@ -464,7 +464,7 @@
     return true;
   }
   
-  bool KnownLive;
+  bool KnownLive = false;
   
   switch (sym->getKind()) {
   case SymExpr::RegionValueKind:
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D342.1.patch
Type: text/x-patch
Size: 3652 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20130129/4b75dd69/attachment.bin>