1 // RUN: %clang_cc1 -fdiagnostics-parseable-fixits -x c++ %s 2> %t || true 2 // RUN: FileCheck %s < %t 3 // PR5941 4 // END. 5 6 /* Test fixits for * and & mismatch in function arguments. 7 * Since fixits are on the notes, they cannot be applied automatically. */ 8 9 typedef int intTy; 10 typedef int intTy2; 11 12 void f0(int *a); 13 void f1(double *a); 14 void f1(intTy &a); 15 16 void f2(intTy2 *a) { 17 // CHECK: error: no matching function for call to 'f1 18 // CHECK: dereference the argument with * 19 // CHECK: void f1(intTy &a); 20 // CHECK: fix-it{{.*}}*( 21 // CHECK-NEXT: fix-it{{.*}}) 22 // CHECK: void f1(double *a); 23 f1(a + 1); 24 25 // This call cannot be fixed since without resulting in null pointer dereference. 26 // CHECK: error: no matching function for call to 'f1 27 // CHECK-NOT: take the address of the argument with & 28 // CHECK-NOT: fix-it 29 f1((int *)0); 30 } 31 32 void f3(int &a) { 33 // CHECK: error: no matching function for call to 'f0 34 // CHECK: fix-it{{.*}}& 35 f0(a); 36 } 37 38 39 void m(int *a, const int *b); // match 2 40 void m(double *a, int *b); // no match 41 void m(int *a, double *b); // no match 42 void m(intTy &a, int *b); // match 1 43 44 void mcaller(intTy2 a, int b) { 45 // CHECK: error: no matching function for call to 'm 46 // CHECK: take the address of the argument with & 47 // CHECK: fix-it{{.*}}& 48 // CHECK: take the address of the argument with & 49 // CHECK: fix-it{{.*}}& 50 // CHECK: fix-it{{.*}}& 51 m(a, b); 52 53 // This call cannot be fixed because (a + 1) is not an l-value. 54 // CHECK: error: no matching function for call to 'm 55 // CHECK-NOT: fix-it 56 m(a + 1, b); 57 } 58 59 // Test derived to base conversions. 60 struct A { 61 int xx; 62 }; 63 64 struct B : public A { 65 double y; 66 }; 67 68 bool br(A &a); 69 bool bp(A *a); 70 bool dv(B b); 71 72 void dbcaller(A *ptra, B *ptrb) { 73 B b; 74 75 // CHECK: error: no matching function for call to 'br 76 // CHECK: fix-it{{.*}}* 77 br(ptrb); // good 78 // CHECK: error: no matching function for call to 'bp 79 // CHECK: fix-it{{.*}}& 80 bp(b); // good 81 82 // CHECK: error: no matching function for call to 'dv 83 // CHECK-NOT: fix-it 84 dv(ptra); // bad: base to derived 85 } 86 87 // CHECK: errors generated 88
