r199513 - Fix string-literal to char* conversion in overload resolution for C++11
Ismail Pazarbasi
ismail.pazarbasi at gmail.com
Fri Jan 24 06:37:38 PST 2014
I have fixed the problem with DeprecatedStringLiteralToCharPtr
initialization. Could you please review changes in r199988 and
r199997?
Thanks!
On Fri, Jan 24, 2014 at 10:41 AM, Ismail Pazarbasi
<ismail.pazarbasi at gmail.com> wrote:
> I didn't know this was failing, sorry for breakage. I will try to
> update the patch. If that can't be done quickly, I can check entire
> conversion sequence, which was working.
>
> On Fri, Jan 24, 2014 at 10:02 AM, Evgeniy Stepanov
> <eugeni.stepanov at gmail.com> wrote:
>> The bot was down until less than a day ago, so no one actually new
>> about the issue. I guess it's ok to wait another day.
>>
>>
>> On Fri, Jan 24, 2014 at 12:55 PM, Chandler Carruth <chandlerc at google.com> wrote:
>>> Can we revert until a fix is ready? 7 days with msan failures is too many.
>>>
>>>
>>> On Thu, Jan 23, 2014 at 8:08 PM, Richard Smith <metafoo at gmail.com> wrote:
>>>>
>>>> Looks like the msan build bot has found a bug here:
>>>>
>>>>
>>>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/1844/steps/annotate/logs/stdio
>>>>
>>>> It appears that some path through the code doesn't initialize
>>>> DeprecatedStringLiteralToCharPtr.
>>>>
>>>> On Fri Jan 17 2014 at 1:15:20 PM, Ismail Pazarbasi
>>>> <ismail.pazarbasi at gmail.com> wrote:
>>>>
>>>> Author: ismailp
>>>> Date: Fri Jan 17 15:08:52 2014
>>>> New Revision: 199513
>>>>
>>>> URL: http://llvm.org/viewvc/llvm-project?rev=199513&view=rev
>>>> Log:
>>>> Fix string-literal to char* conversion in overload resolution for C++11
>>>>
>>>> String literal to char* conversion is deprecated in C++03, and is removed
>>>> in
>>>> C++11. We still accept this conversion in C++11 mode as an extension, if
>>>> we find
>>>> it in the best viable function.
>>>>
>>>>
>>>> Modified:
>>>> cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
>>>> cfe/trunk/lib/Sema/SemaExprCXX.cpp
>>>> cfe/trunk/lib/Sema/SemaOverload.cpp
>>>> cfe/trunk/test/SemaCXX/cxx0x-type-convert-construct.cpp
>>>> cfe/trunk/test/SemaCXX/deprecated.cpp
>>>> cfe/trunk/test/SemaCXX/overload-0x.cpp
>>>> cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
>>>>
>>>> Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
>>>> +++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Fri Jan 17
>>>> 15:08:52 2014
>>>> @@ -4534,6 +4534,9 @@ def ext_array_init_parens : ExtWarn<
>>>> def warn_deprecated_string_literal_conversion : Warning<
>>>> "conversion from string literal to %0 is deprecated">,
>>>> InGroup<CXX11CompatDeprecatedWritableStr>;
>>>> +def ext_deprecated_string_literal_conversion : ExtWarn<
>>>> + "ISO C++11 does not allow conversion from string literal to %0">,
>>>> + InGroup<CXX11CompatDeprecatedWritableStr>, SFINAEFailure;
>>>> def warn_deprecated_string_literal_conversion_c : Warning<
>>>> "dummy warning to enable -fconst-strings">,
>>>> InGroup<DeprecatedWritableStr>, DefaultIgnore;
>>>> def err_realimag_invalid_type : Error<"invalid type %0 to %1 operator">;
>>>>
>>>> Modified: cfe/trunk/lib/Sema/SemaExprCXX.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprCXX.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Sema/SemaExprCXX.cpp (original)
>>>> +++ cfe/trunk/lib/Sema/SemaExprCXX.cpp Fri Jan 17 15:08:52 2014
>>>> @@ -3058,9 +3058,12 @@ Sema::PerformImplicitConversion(Expr *Fr
>>>> CK_NoOp, VK, /*BasePath=*/0, CCK).take();
>>>>
>>>> if (SCS.DeprecatedStringLiteralToCharPtr &&
>>>> - !getLangOpts().WritableStrings)
>>>> - Diag(From->getLocStart(),
>>>> diag::warn_deprecated_string_literal_conversion)
>>>> + !getLangOpts().WritableStrings) {
>>>> + Diag(From->getLocStart(), getLangOpts().CPlusPlus11
>>>> + ? diag::ext_deprecated_string_literal_conversion
>>>> + : diag::warn_deprecated_string_literal_conversion)
>>>> << ToType.getNonReferenceType();
>>>> + }
>>>>
>>>> break;
>>>> }
>>>>
>>>> Modified: cfe/trunk/lib/Sema/SemaOverload.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Sema/SemaOverload.cpp (original)
>>>> +++ cfe/trunk/lib/Sema/SemaOverload.cpp Fri Jan 17 15:08:52 2014
>>>> @@ -1443,7 +1443,6 @@ static bool IsStandardConversion(Sema &S
>>>>
>>>> // Standard conversions (C++ [conv])
>>>> SCS.setAsIdentityConversion();
>>>> - SCS.DeprecatedStringLiteralToCharPtr = false;
>>>> SCS.IncompatibleObjC = false;
>>>> SCS.setFromType(FromType);
>>>> SCS.CopyConstructor = 0;
>>>> @@ -1542,7 +1541,7 @@ static bool IsStandardConversion(Sema &S
>>>> FromType = S.Context.getArrayDecayedType(FromType);
>>>>
>>>> if (S.IsStringLiteralToNonConstPointerConversion(From, ToType)) {
>>>> - // This conversion is deprecated. (C++ D.4).
>>>> + // This conversion is deprecated in C++03 (D.4)
>>>> SCS.DeprecatedStringLiteralToCharPtr = true;
>>>>
>>>> // For the purpose of ranking in overload resolution
>>>> @@ -3259,18 +3258,15 @@ Sema::DiagnoseMultipleUserDefinedConvers
>>>> IsUserDefinedConversion(*this, From, ToType, ICS.UserDefined,
>>>> CandidateSet, false, false);
>>>> if (OvResult == OR_Ambiguous)
>>>> - Diag(From->getLocStart(),
>>>> - diag::err_typecheck_ambiguous_condition)
>>>> - << From->getType() << ToType << From->getSourceRange();
>>>> + Diag(From->getLocStart(), diag::err_typecheck_ambiguous_condition)
>>>> + << From->getType() << ToType << From->getSourceRange();
>>>> else if (OvResult == OR_No_Viable_Function && !CandidateSet.empty()) {
>>>> if (!RequireCompleteType(From->getLocStart(), ToType,
>>>> -
>>>> diag::err_typecheck_nonviable_condition_incomplete,
>>>> +
>>>> diag::err_typecheck_nonviable_condition_incomplete,
>>>> From->getType(), From->getSourceRange()))
>>>> - Diag(From->getLocStart(),
>>>> - diag::err_typecheck_nonviable_condition)
>>>> - << From->getType() << From->getSourceRange() << ToType;
>>>> - }
>>>> - else
>>>> + Diag(From->getLocStart(), diag::err_typecheck_nonviable_condition)
>>>> + << From->getType() << From->getSourceRange() << ToType;
>>>> + } else
>>>> return false;
>>>> CandidateSet.NoteCandidates(*this, OCD_AllCandidates, From);
>>>> return true;
>>>> @@ -3280,37 +3276,43 @@ Sema::DiagnoseMultipleUserDefinedConvers
>>>> /// of two user-defined conversion sequences to determine whether any
>>>> ordering
>>>> /// is possible.
>>>> static ImplicitConversionSequence::CompareKind
>>>> -compareConversionFunctions(Sema &S,
>>>> - FunctionDecl *Function1,
>>>> +compareConversionFunctions(Sema &S, FunctionDecl *Function1,
>>>> FunctionDecl *Function2) {
>>>> if (!S.getLangOpts().ObjC1 || !S.getLangOpts().CPlusPlus11)
>>>> return ImplicitConversionSequence::Indistinguishable;
>>>> -
>>>> +
>>>> // Objective-C++:
>>>> // If both conversion functions are implicitly-declared conversions
>>>> from
>>>> - // a lambda closure type to a function pointer and a block pointer,
>>>> + // a lambda closure type to a function pointer and a block pointer,
>>>> // respectively, always prefer the conversion to a function pointer,
>>>> // because the function pointer is more lightweight and is more
>>>> likely
>>>> // to keep code working.
>>>> CXXConversionDecl *Conv1 = dyn_cast<CXXConversionDecl>(Function1);
>>>> if (!Conv1)
>>>> return ImplicitConversionSequence::Indistinguishable;
>>>> -
>>>> +
>>>> CXXConversionDecl *Conv2 = dyn_cast<CXXConversionDecl>(Function2);
>>>> if (!Conv2)
>>>> return ImplicitConversionSequence::Indistinguishable;
>>>> -
>>>> +
>>>> if (Conv1->getParent()->isLambda() && Conv2->getParent()->isLambda()) {
>>>> bool Block1 = Conv1->getConversionType()->isBlockPointerType();
>>>> bool Block2 = Conv2->getConversionType()->isBlockPointerType();
>>>> if (Block1 != Block2)
>>>> - return Block1? ImplicitConversionSequence::Worse
>>>> - : ImplicitConversionSequence::Better;
>>>> + return Block1 ? ImplicitConversionSequence::Worse
>>>> + : ImplicitConversionSequence::Better;
>>>> }
>>>>
>>>> return ImplicitConversionSequence::Indistinguishable;
>>>> }
>>>> -
>>>> +
>>>> +static bool hasDeprecatedStringLiteralToCharPtrConversion(
>>>> + const ImplicitConversionSequence &ICS) {
>>>> + return (ICS.isStandard() &&
>>>> ICS.Standard.DeprecatedStringLiteralToCharPtr) ||
>>>> + (ICS.isUserDefined() &&
>>>> + ICS.UserDefined.Before.DeprecatedStringLiteralToCharPtr);
>>>> +}
>>>> +
>>>> /// CompareImplicitConversionSequences - Compare two implicit
>>>> /// conversion sequences to determine whether one is better than the
>>>> /// other or if they are indistinguishable (C++ 13.3.3.2).
>>>> @@ -3333,6 +3335,32 @@ CompareImplicitConversionSequences(Sema
>>>> // described in 13.3.3.2, the ambiguous conversion sequence is
>>>> // treated as a user-defined sequence that is indistinguishable
>>>> // from any other user-defined conversion sequence.
>>>> +
>>>> + // String literal to 'char *' conversion has been deprecated in C++03.
>>>> It has
>>>> + // been removed from C++11. We still accept this conversion, if it
>>>> happens at
>>>> + // the best viable function. Otherwise, this conversion is considered
>>>> worse
>>>> + // than ellipsis conversion. Consider this as an extension; this is not
>>>> in the
>>>> + // standard. For example:
>>>> + //
>>>> + // int &f(...); // #1
>>>> + // void f(char*); // #2
>>>> + // void g() { int &r = f("foo"); }
>>>> + //
>>>> + // In C++03, we pick #2 as the best viable function.
>>>> + // In C++11, we pick #1 as the best viable function, because ellipsis
>>>> + // conversion is better than string-literal to char* conversion (since
>>>> there
>>>> + // is no such conversion in C++11). If there was no #1 at all or #1
>>>> couldn't
>>>> + // convert arguments, #2 would be the best viable function in C++11.
>>>> + // If the best viable function has this conversion, a warning will be
>>>> issued
>>>> + // in C++03, or an ExtWarn (+SFINAE failure) will be issued in C++11.
>>>> +
>>>> + if (S.getLangOpts().CPlusPlus11 && !S.getLangOpts().WritableStrings &&
>>>> + hasDeprecatedStringLiteralToCharPtrConversion(ICS1) !=
>>>> + hasDeprecatedStringLiteralToCharPtrConversion(ICS2))
>>>> + return hasDeprecatedStringLiteralToCharPtrConversion(ICS1)
>>>> + ? ImplicitConversionSequence::Worse
>>>> + : ImplicitConversionSequence::Better;
>>>> +
>>>> if (ICS1.getKindRank() < ICS2.getKindRank())
>>>> return ImplicitConversionSequence::Better;
>>>> if (ICS2.getKindRank() < ICS1.getKindRank())
>>>> @@ -4244,6 +4272,7 @@ TryReferenceInit(Sema &S, Expr *Init, Qu
>>>> ICS.Standard.BindsImplicitObjectArgumentWithoutRefQualifier =
>>>> false;
>>>> ICS.Standard.ObjCLifetimeConversionBinding =
>>>> ObjCLifetimeConversion;
>>>> ICS.Standard.CopyConstructor = 0;
>>>> + ICS.Standard.DeprecatedStringLiteralToCharPtr = false;
>>>>
>>>> // Nothing more to do: the inaccessibility/ambiguity check for
>>>> // derived-to-base conversions is suppressed when we're
>>>> @@ -4318,6 +4347,7 @@ TryReferenceInit(Sema &S, Expr *Init, Qu
>>>> ICS.Standard.BindsImplicitObjectArgumentWithoutRefQualifier = false;
>>>> ICS.Standard.ObjCLifetimeConversionBinding = ObjCLifetimeConversion;
>>>> ICS.Standard.CopyConstructor = 0;
>>>> + ICS.Standard.DeprecatedStringLiteralToCharPtr = false;
>>>> return ICS;
>>>> }
>>>>
>>>>
>>>> Modified: cfe/trunk/test/SemaCXX/cxx0x-type-convert-construct.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/cxx0x-type-convert-construct.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/test/SemaCXX/cxx0x-type-convert-construct.cpp (original)
>>>> +++ cfe/trunk/test/SemaCXX/cxx0x-type-convert-construct.cpp Fri Jan 17
>>>> 15:08:52 2014
>>>> @@ -9,9 +9,9 @@ void f() {
>>>> Ustr = U"a UTF-32 string"; // expected-error {{assigning to 'char32_t
>>>> *' from incompatible type 'const char32_t [16]'}}
>>>>
>>>> char *Rstr;
>>>> - Rstr = R"foo(a raw string)foo"; // expected-warning{{conversion from
>>>> string literal to 'char *' is deprecated}}
>>>> + Rstr = R"foo(a raw string)foo"; // expected-warning{{ISO C++11 does not
>>>> allow conversion from string literal to 'char *'}}
>>>> wchar_t *LRstr;
>>>> - LRstr = LR"foo(a wide raw string)foo"; // expected-warning{{conversion
>>>> from string literal to 'wchar_t *' is deprecated}}
>>>> + LRstr = LR"foo(a wide raw string)foo"; // expected-warning{{ISO C++11
>>>> does not allow conversion from string literal to 'wchar_t *'}}
>>>> char *u8Rstr;
>>>> u8Rstr = u8R"foo(a UTF-8 raw string)foo"; // expected-error {{assigning
>>>> to 'char *' from incompatible type 'const char [19]'}}
>>>> char16_t *uRstr;
>>>>
>>>> Modified: cfe/trunk/test/SemaCXX/deprecated.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/deprecated.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/test/SemaCXX/deprecated.cpp (original)
>>>> +++ cfe/trunk/test/SemaCXX/deprecated.cpp Fri Jan 17 15:08:52 2014
>>>> @@ -24,12 +24,15 @@ void stuff() {
>>>> register int m asm("rbx"); // no-warning
>>>>
>>>> int k = to_int(n); // no-warning
>>>> -
>>>> bool b;
>>>> ++b; // expected-warning {{incrementing expression of type bool is
>>>> deprecated}}
>>>>
>>>> - // FIXME: This is ill-formed in C++11.
>>>> - char *p = "foo"; // expected-warning {{conversion from string literal
>>>> to 'char *' is deprecated}}
>>>> + char *p = "foo";
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *' is
>>>> deprecated}}
>>>> +#else
>>>> + // expected-warning at -4 {{ISO C++11 does not allow conversion from
>>>> string literal to 'char *'}}
>>>> +#endif
>>>> }
>>>>
>>>> struct S { int n; };
>>>>
>>>> Modified: cfe/trunk/test/SemaCXX/overload-0x.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/overload-0x.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/test/SemaCXX/overload-0x.cpp (original)
>>>> +++ cfe/trunk/test/SemaCXX/overload-0x.cpp Fri Jan 17 15:08:52 2014
>>>> @@ -1,7 +1,11 @@
>>>> -// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
>>>> +// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
>>>> +// RUN: %clang_cc1 -fsyntax-only -verify %s
>>>>
>>>> namespace test0 {
>>>> - struct A { // expected-note {{candidate function (the implicit copy
>>>> assignment operator) not viable: 'this' argument has type 'const test0::A',
>>>> but method is not marked const}} expected-note {{candidate function (the
>>>> implicit move assignment operator) not viable: 'this' argument has type
>>>> 'const test0::A', but method is not marked const}}
>>>> + struct A { // expected-note {{candidate function (the implicit copy
>>>> assignment operator) not viable: 'this' argument has type 'const test0::A',
>>>> but method is not marked const}}
>>>> +#if __cplusplus >= 201103L
>>>> + // expected-note at -2 {{candidate function (the implicit move assignment
>>>> operator) not viable: 'this' argument has type 'const test0::A', but method
>>>> is not marked const}}
>>>> +#endif
>>>> A &operator=(void*); // expected-note {{candidate function not
>>>> viable: 'this' argument has type 'const test0::A', but method is not marked
>>>> const}}
>>>> };
>>>>
>>>> @@ -9,3 +13,79 @@ namespace test0 {
>>>> a = "help"; // expected-error {{no viable overloaded '='}}
>>>> }
>>>> }
>>>> +
>>>> +namespace PR16314 {
>>>> + void f(char*);
>>>> + int &f(...);
>>>> + void x()
>>>> + {
>>>> + int &n = f("foo");
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *'
>>>> is deprecated}}
>>>> + // expected-error at -3 {{non-const lvalue reference to type 'int'
>>>> cannot bind to a temporary of type 'void'}}
>>>> +#endif
>>>> + }
>>>> +}
>>>> +
>>>> +namespace warn_if_best {
>>>> + int f(char *);
>>>> + void f(double);
>>>> + void x()
>>>> + {
>>>> + int n = f("foo");
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *'
>>>> is deprecated}}
>>>> +#else
>>>> + // expected-warning at -4 {{ISO C++11 does not allow conversion from
>>>> string literal to 'char *'}}
>>>> +#endif
>>>> + }
>>>> +}
>>>> +
>>>> +namespace userdefined_vs_illformed {
>>>> + struct X { X(const char *); };
>>>> +
>>>> + void *f(char *p); // best for C++03
>>>> + double f(X x); // best for C++11
>>>> + void g()
>>>> + {
>>>> + double d = f("foo");
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *'
>>>> is deprecated}}
>>>> + // expected-error at -3 {{cannot initialize a variable of type 'double'
>>>> with an rvalue of type 'void *'}}
>>>> +#endif
>>>> + }
>>>> +}
>>>> +
>>>> +namespace sfinae_test {
>>>> + int f(int, char*);
>>>> +
>>>> + template<int T>
>>>> + struct S { typedef int type; };
>>>> +
>>>> + template<>
>>>> + struct S<sizeof(int)> { typedef void type; };
>>>> +
>>>> + // C++11: SFINAE failure
>>>> + // C++03: ok
>>>> + template<typename T> int cxx11_ignored(T, typename S<sizeof(f(T(),
>>>> "foo"))>::type *);
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *' is
>>>> deprecated}}
>>>> +#else
>>>> + // expected-note at -4 {{candidate template ignored: substitution
>>>> failure}}
>>>> +#endif
>>>> +
>>>> + // C++11: better than latter
>>>> + // C++03: worse than latter
>>>> + template<typename T> void g(T, ...);
>>>> + template<typename T> int g(T, typename S<sizeof(f(T(), "foo"))>::type
>>>> *);
>>>> +#if __cplusplus < 201103L
>>>> + // expected-warning at -2 {{conversion from string literal to 'char *' is
>>>> deprecated}}
>>>> +#endif
>>>> +
>>>> + int a = cxx11_ignored(0, 0);
>>>> + int b = g(0, 0);
>>>> +#if __cplusplus >= 201103L
>>>> + // expected-error at -3 {{no matching function for call to
>>>> 'cxx11_ignored'}}
>>>> + // expected-error at -3 {{cannot initialize a variable of type 'int' with
>>>> an rvalue of type 'void'}}
>>>> +#endif
>>>> +}
>>>>
>>>> Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=199513&r1=199512&r2=199513&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
>>>> +++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Fri Jan 17
>>>> 15:08:52 2014
>>>> @@ -2608,13 +2608,13 @@ TEST(ReinterpretCast, DoesNotMatchOtherC
>>>> }
>>>>
>>>> TEST(FunctionalCast, MatchesSimpleCase) {
>>>> - std::string foo_class = "class Foo { public: Foo(char*); };";
>>>> + std::string foo_class = "class Foo { public: Foo(const char*); };";
>>>> EXPECT_TRUE(matches(foo_class + "void r() { Foo f = Foo(\"hello
>>>> world\"); }",
>>>> functionalCastExpr()));
>>>> }
>>>>
>>>> TEST(FunctionalCast, DoesNotMatchOtherCasts) {
>>>> - std::string FooClass = "class Foo { public: Foo(char*); };";
>>>> + std::string FooClass = "class Foo { public: Foo(const char*); };";
>>>> EXPECT_TRUE(
>>>> notMatches(FooClass + "void r() { Foo f = (Foo) \"hello world\";
>>>> }",
>>>> functionalCastExpr()));
>>>>
>>>>
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