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// RUN: not %clang_cc1 -fdiagnostics-parseable-fixits -fno-diagnostics-show-line-numbers -fcaret-diagnostics-max-lines=1 -x c++ %s 2> %t
// RUN: FileCheck %s < %t
// PR5941
// END.
/* Test fixits for * and & mismatch in function arguments.
* Since fixits are on the notes, they cannot be applied automatically. */
typedef int intTy;
typedef int intTy2;
void f0(int *a);
void f1(double *a);
void f1(intTy &a);
void f2(intTy2 *a) {
// CHECK: error: no matching function for call to 'f1
// CHECK: dereference the argument with *
// CHECK: void f1(intTy &a);
// CHECK: fix-it{{.*}}*(
// CHECK-NEXT: fix-it{{.*}})
// CHECK: void f1(double *a);
f1(a + 1);
// This call cannot be fixed since without resulting in null pointer dereference.
// CHECK: error: no matching function for call to 'f1
// CHECK-NOT: dereference the argument with *
// CHECK-NOT: fix-it
f1((int *)0);
}
void f3(int &a) {
// CHECK: error: no matching function for call to 'f0
// CHECK: fix-it{{.*}}&
f0(a);
}
void m(int *a, const int *b); // match 2
void m(double *a, int *b); // no match
void m(int *a, double *b); // no match
void m(intTy &a, int *b); // match 1
void mcaller(intTy2 a, int b) {
// CHECK: error: no matching function for call to 'm
// CHECK: take the address of the argument with &
// CHECK: fix-it{{.*}}&
// CHECK: take the address of the argument with &
// CHECK: fix-it{{.*}}&
// CHECK: fix-it{{.*}}&
m(a, b);
// This call cannot be fixed because (a + 1) is not an l-value.
// CHECK: error: no matching function for call to 'm
// CHECK-NOT: fix-it
m(a + 1, b);
}
// Test derived to base conversions.
struct A {
int xx;
};
struct B : public A {
double y;
};
class C : A {};
bool br(A &a);
bool bp(A *a);
bool dv(B b);
void u(int x);
void u(const C *x);
void u(double x);
void dbcaller(A *ptra, B *ptrb, C &c, B &refb) {
B b;
// CHECK: error: no matching function for call to 'br
// CHECK: fix-it{{.*}}*
br(ptrb); // good
// CHECK: error: no matching function for call to 'bp
// CHECK: fix-it{{.*}}&
bp(b); // good
// CHECK: error: no matching function for call to 'dv
// CHECK-NOT: fix-it
dv(ptra); // bad: base to derived
// CHECK: error: no matching function for call to 'dv
// CHECK: remove &
dv(&b);
// CHECK: error: no matching function for call to 'bp
// CHECK: remove *
bp(*ptra);
// CHECK: error: no viable overloaded '='
// CHECK: remove &
b = &refb;
// TODO: Test that we do not provide a fixit when inheritance is private.
// CHECK: error: no matching function for call to 'bp
// There should not be a fixit here:
// CHECK: fix-it
bp(c);
// CHECK: no matching function for call to 'u'
// CHECK: candidate function not viable: no known conversion from 'C' to 'const C *' for 1st argument; take the address of the argument with &
// CHECK: candidate function not viable
// CHECK: candidate function not viable
u(c);
}
void accept_void(void*);
void issue58958(const char* a, volatile char * v, const volatile char * cv) {
// CHECK: no matching function for call to 'accept_void'
// CHECK-NOT: take the address of the argument with &
accept_void(a);
// CHECK: no matching function for call to 'accept_void'
// CHECK-NOT: take the address of the argument with &
accept_void(v);
// CHECK: no matching function for call to 'accept_void'
// CHECK-NOT: take the address of the argument with &
accept_void(cv);
char b;
// CHECK: no matching function for call to 'accept_void'
// CHECK: take the address of the argument with &
accept_void(b);
// CHECK-NOT: no matching function for call to 'accept_void'
// CHECK-NOT: take the address of the argument with &
accept_void(&b);
}
// CHECK: errors generated
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