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treat bool literals as constatnt expressions. 

llvm-svn: 55255
This commit is contained in:
Anders Carlsson 2008-08-23 21:12:35 +00:00
parent a3345a5d73
commit 4f177f803a
2 changed files with 14 additions and 0 deletions
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7
clang/lib/AST/Expr.cpp
View File

@ -720,6 +720,13 @@ bool Expr::isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx,
Result.setIsUnsigned(!getType()->isSignedIntegerType());
break;
}
case CXXBoolLiteralExprClass: {
const CXXBoolLiteralExpr *BL = cast<CXXBoolLiteralExpr>(this);
Result.zextOrTrunc(static_cast<uint32_t>(Ctx.getTypeSize(getType())));
Result = BL->getValue();
Result.setIsUnsigned(!getType()->isSignedIntegerType());
break;
}
case CXXZeroInitValueExprClass:
Result.clear();
break;

7
clang/test/SemaCXX/bool.cpp Normal file
View File

@ -0,0 +1,7 @@
// RUN: clang -fsyntax-only -verify %s
// Bool literals can be enum values.
enum {
ReadWrite = false,
ReadOnly = true
};