They looked real enough to me:
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelDAGToDAG.cpp: In function ‘bool<unnamed>::isFPS16Immediate(llvm::ConstantFPSDNode*, short int&)’:
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelDAGToDAG.cpp:148: warning: dereferencing type-punned pointer will break strict-aliasing rules
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelLowering.cpp: In function ‘llvm::SDOperand LowerBUILD_VECTOR(llvm::SDOperand, llvm::SelectionDAG&)’:
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelLowering.cpp:1690: warning: ‘val’ may be used uninitialized in this function
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelLowering.cpp: In function ‘llvm::SDOperand LowerLOAD(llvm::SDOperand, llvm::SelectionDAG&, const llvm::SPUSubtarget*)’:
/Volumes/mrs5/net/llvm/llvm/lib/Target/CellSPU/SPUISelLowering.cpp:563: warning: ‘NewOpC’ may be used uninitialized in this function
That just leaves:
ExprCXX.cpp: In member function 'virtual clang::StmtIterator clang::CXXCastExpr::child_begin()':
ExprCXX.cpp:24: warning: dereferencing type-punned pointer will break strict-aliasing rules
ExprCXX.cpp: In member function 'virtual clang::StmtIterator clang::CXXCastExpr::child_end()':
ExprCXX.cpp:28: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ImaginaryLiteral::child_begin()':
Expr.cpp:1025: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ImaginaryLiteral::child_end()':
Expr.cpp:1028: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ParenExpr::child_begin()':
Expr.cpp:1037: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ParenExpr::child_end()':
Expr.cpp:1040: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::UnaryOperator::child_begin()':
Expr.cpp:1045: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ArraySubscriptExpr::child_begin()':
Expr.cpp:1066: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ArraySubscriptExpr::child_end()':
Expr.cpp:1069: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::MemberExpr::child_begin()':
Expr.cpp:1082: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::MemberExpr::child_end()':
Expr.cpp:1085: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::OCUVectorElementExpr::child_begin()':
Expr.cpp:1090: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::OCUVectorElementExpr::child_end()':
Expr.cpp:1093: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::CompoundLiteralExpr::child_begin()':
Expr.cpp:1098: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::CompoundLiteralExpr::child_end()':
Expr.cpp:1101: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ImplicitCastExpr::child_begin()':
Expr.cpp:1106: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ImplicitCastExpr::child_end()':
Expr.cpp:1109: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::CastExpr::child_begin()':
Expr.cpp:1114: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::CastExpr::child_end()':
Expr.cpp:1117: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::BinaryOperator::child_begin()':
Expr.cpp:1122: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::BinaryOperator::child_end()':
Expr.cpp:1125: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ConditionalOperator::child_begin()':
Expr.cpp:1130: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ConditionalOperator::child_end()':
Expr.cpp:1133: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::StmtExpr::child_begin()':
Expr.cpp:1142: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::StmtExpr::child_end()':
Expr.cpp:1145: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ChooseExpr::child_begin()':
Expr.cpp:1159: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::ChooseExpr::child_end()':
Expr.cpp:1163: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::VAArgExpr::child_begin()':
Expr.cpp:1168: warning: dereferencing type-punned pointer will break strict-aliasing rules
Expr.cpp: In member function 'virtual clang::StmtIterator clang::VAArgExpr::child_end()':
Expr.cpp:1172: warning: dereferencing type-punned pointer will break strict-aliasing rules
Stmt.cpp: In member function 'virtual clang::StmtIterator clang::IndirectGotoStmt::child_begin()':
Stmt.cpp:192: warning: dereferencing type-punned pointer will break strict-aliasing rules
Stmt.cpp: In member function 'virtual clang::StmtIterator clang::ReturnStmt::child_begin()':
Stmt.cpp:207: warning: dereferencing type-punned pointer will break strict-aliasing rules
Stmt.cpp: In member function 'virtual clang::StmtIterator clang::ReturnStmt::child_end()':
Stmt.cpp:212: warning: dereferencing type-punned pointer will break strict-aliasing rules
ASTContext.cpp: In member function 'bool clang::ASTContext::ObjcQualifiedIdTypesAreCompatible(clang::QualType, clang::QualType, bool)':
ASTContext.cpp:1387: warning: 'rhsProtoList' may be used uninitialized in this function
ASTContext.cpp:1386: warning: 'numRhsProtocols' may be used uninitialized in this function
StmtIterator.cpp: In member function 'clang::Stmt*& clang::StmtIteratorBase::GetDeclExpr() const':
StmtIterator.cpp:108: warning: dereferencing type-punned pointer will break strict-aliasing rules
StmtIterator.cpp:113: warning: dereferencing type-punned pointer will break strict-aliasing rules
StmtIterator.cpp:117: warning: dereferencing type-punned pointer will break strict-aliasing rules
then.