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RedBear-OS/local/recipes/dev/libclc/source/clang/test/AST/ast-dump-recovery.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -frecovery-ast -frecovery-ast-type -ast-dump %s | FileCheck -strict-whitespace %s
// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -fno-recovery-ast -ast-dump %s | FileCheck --check-prefix=DISABLED -strict-whitespace %s
int some_func(int *);
// CHECK: VarDecl {{.*}} invalid_call
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int invalid_call = some_func(123);
int some_func2(int a, int b);
void test_invalid_call_2() {
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
some_func2(,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
some_func2(,,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
some_func2(1,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
some_func2(,1);
}
int ambig_func(double);
int ambig_func(float);
// CHECK: VarDecl {{.*}} ambig_call
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'ambig_func'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int ambig_call = ambig_func(123);
constexpr int a = 10;
// CHECK: VarDecl {{.*}} postfix_inc
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int postfix_inc = a++;
// CHECK: VarDecl {{.*}} prefix_inc
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int prefix_inc = ++a;
// CHECK: VarDecl {{.*}} unary_address
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-ParenExpr {{.*}}
// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
// CHECK-NEXT: |-ImplicitCastExpr
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int unary_address = &(a + 1);
// CHECK: VarDecl {{.*}} unary_bitinverse
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-ParenExpr {{.*}}
// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
// CHECK-NEXT: |-ImplicitCastExpr
// CHECK-NEXT: | `-ImplicitCastExpr
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int unary_bitinverse = ~(a + 0.0);
// CHECK: VarDecl {{.*}} binary
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
// CHECK-NEXT: `-CXXNullPtrLiteralExpr
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int binary = a + nullptr;
// CHECK: VarDecl {{.*}} ternary
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
// CHECK-NEXT: |-CXXNullPtrLiteralExpr
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int ternary = a ? nullptr : a;
// CHECK: FunctionDecl
// CHECK-NEXT:|-ParmVarDecl {{.*}} x
// CHECK-NEXT:`-CompoundStmt
// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
// CHECK-NEXT: `-CallExpr {{.*}} contains-errors
// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
struct Foo {} foo;
void test(int x) {
foo.abc;
foo->func(x);
}
void AccessIncompleteClass() {
struct Forward;
Forward* ptr;
// CHECK: CallExpr {{.*}} '<dependent type>'
// CHECK-NEXT: `-CXXDependentScopeMemberExpr {{.*}} '<dependent type>'
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Forward *'
ptr->method();
}
struct Foo2 {
double func();
class ForwardClass;
ForwardClass createFwd();
int overload();
int overload(int, int);
};
void test2(Foo2 f) {
// CHECK: RecoveryExpr {{.*}} 'double'
// CHECK-NEXT: |-MemberExpr {{.*}} '<bound member function type>'
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'f'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
f.func(1);
// CHECK: RecoveryExpr {{.*}} 'ForwardClass':'Foo2::ForwardClass'
// CHECK-NEXT: `-MemberExpr {{.*}} '<bound member function type>' .createFwd
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'f'
f.createFwd();
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedMemberExpr
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Foo2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
f.overload(1);
}
auto f();
int f(double);
// CHECK: VarDecl {{.*}} unknown_type_call 'int'
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
int unknown_type_call = f(0, 0);
void InvalidInitalizer(int x) {
struct Bar { Bar(); };
// CHECK: `-VarDecl {{.*}} a1 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar a1(1);
// CHECK: `-VarDecl {{.*}} a2 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
Bar a2(x);
// CHECK: `-VarDecl {{.*}} a3 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-InitListExpr
// CHECK-NEDT: `-DeclRefExpr {{.*}} 'x'
Bar a3{x};
// CHECK: `-VarDecl {{.*}} b1 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar b1 = 1;
// CHECK: `-VarDecl {{.*}} b2 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-InitListExpr
Bar b2 = {1};
// CHECK: `-VarDecl {{.*}} b3 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
Bar b3 = Bar(x);
// CHECK: `-VarDecl {{.*}} b4 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-InitListExpr {{.*}} 'void'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
Bar b4 = Bar{x};
// CHECK: RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar(1);
}
// CHECK: VarDecl {{.*}} NoCrashOnInvalidInitList
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors lvalue
// CHECK-NEXT: `-InitListExpr
// CHECK-NEXT: `-DesignatedInitExpr {{.*}} 'void'
// CHECK-NEXT: `-CXXNullPtrLiteralExpr {{.*}} 'std::nullptr_t'
struct {
int& abc;
} NoCrashOnInvalidInitList = {
.abc = nullptr,
};
// Verify the value category of recovery expression.
int prvalue(int);
int &lvalue(int);
int &&xvalue(int);
void ValueCategory() {
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
prvalue(); // call to a function (nonreference return type) yields a prvalue (not print by default)
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors lvalue
lvalue(); // call to a function (lvalue reference return type) yields an lvalue.
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors xvalue
xvalue(); // call to a function (rvalue reference return type) yields an xvalue.
}
void CtorInitializer() {
struct S{int m};
class BaseInit : S {
BaseInit(float) : S("no match") {}
// CHECK: CXXConstructorDecl {{.*}} BaseInit 'void (float)'
// CHECK-NEXT: |-ParmVarDecl
// CHECK-NEXT: |-CXXCtorInitializer 'S'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'S'
// CHECK-NEXT: | `-StringLiteral
};
class DelegatingInit {
DelegatingInit(float) : DelegatingInit("no match") {}
// CHECK: CXXConstructorDecl {{.*}} DelegatingInit 'void (float)'
// CHECK-NEXT: |-ParmVarDecl
// CHECK-NEXT: |-CXXCtorInitializer 'DelegatingInit'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'DelegatingInit'
// CHECK-NEXT: | `-StringLiteral
};
}
float *brokenReturn() {
// CHECK: FunctionDecl {{.*}} brokenReturn
return 42;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'float *'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 42
}
// Return deduction treats the first, second *and* third differently!
auto *brokenDeducedReturn(int *x, float *y, double *z) {
// CHECK: FunctionDecl {{.*}} invalid brokenDeducedReturn
if (x) return x;
// CHECK: ReturnStmt
// CHECK-NEXT: `-ImplicitCastExpr {{.*}} <LValueToRValue>
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
if (y) return y;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'y' 'float *'
if (z) return z;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'z' 'double *'
return x;
// Unfortunate: we wrap a valid return in RecoveryExpr.
// This is to avoid running deduction again after it failed once.
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
}
void returnInitListFromVoid() {
// CHECK: FunctionDecl {{.*}} returnInitListFromVoid
return {7,8};
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
// CHECK-NEXT: |-IntegerLiteral {{.*}} 'int' 7
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 8
}
// Fix crash issue https://github.com/llvm/llvm-project/issues/112560.
// Make sure clang compiles the following code without crashing:
// CHECK:NamespaceDecl {{.*}} GH112560
// CHECK-NEXT: |-CXXRecordDecl {{.*}} referenced union U definition
// CHECK-NEXT: | |-DefinitionData {{.*}}
// CHECK-NEXT: | | |-DefaultConstructor {{.*}}
// CHECK-NEXT: | | |-CopyConstructor {{.*}}
// CHECK-NEXT: | | |-MoveConstructor {{.*}}
// CHECK-NEXT: | | |-CopyAssignment {{.*}}
// CHECK-NEXT: | | |-MoveAssignment {{.*}}
// CHECK-NEXT: | | `-Destructor {{.*}}
// CHECK-NEXT: | |-CXXRecordDecl {{.*}} implicit union U
// CHECK-NEXT: | `-FieldDecl {{.*}} invalid f 'int'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'int' contains-errors
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
namespace GH112560 {
union U {
int f = ;
};
// CHECK: FunctionDecl {{.*}} foo 'void ()'
// CHECK-NEXT: `-CompoundStmt {{.*}}
// CHECK-NEXT: `-DeclStmt {{.*}}
// CHECK-NEXT: `-VarDecl {{.*}} g 'U':'GH112560::U' listinit
// CHECK-NEXT: `-InitListExpr {{.*}} 'U':'GH112560::U' contains-errors field Field {{.*}} 'f' 'int'
// CHECK-NEXT: `-CXXDefaultInitExpr {{.*}} 'int' contains-errors has rewritten init
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
void foo() {
U g{};
}
} // namespace GH112560
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