dmd/compiler/test/fail_compilation/test18282.d
2025-01-10 17:52:17 +01:00

88 lines
2.5 KiB
D

/* REQUIRED_ARGS: -preview=dip1000
TEST_OUTPUT:
---
fail_compilation/test18282.d(25): Error: returning scope variable `aa` is not allowed in a `@safe` function
fail_compilation/test18282.d(34): Error: escaping a reference to local variable `i` by copying `& i` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(35): Error: escaping a reference to local variable `i` by copying `& i` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(36): Error: returning scope variable `staa` is not allowed in a `@safe` function
fail_compilation/test18282.d(44): Error: escaping a reference to local variable `i` by copying `S2000(& i)` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(53): Error: escaping a reference to local variable `i` by copying `& i` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(53): Error: escaping a reference to local variable `c` by copying `& c` into allocated memory is not allowed in a `@safe` function
---
*/
// https://issues.dlang.org/show_bug.cgi?id=18282
string* f() @safe
{
scope string*[] ls;
return ls[0];
}
int* g() @safe
{
scope int*[3] aa;
return aa[0];
}
@safe:
auto bar1()
{
int i = void;
int*[1] staa = [ &i ];
auto dyna = [ &i ];
int*[ ] dynb = [ &i ];
return staa[0];
}
struct S2000 { int* p; }
S2000 bar2()
{
int i;
S2000[] arr = [ S2000(&i) ];
return arr[0];
}
void bar3()
{
int i;
char c;
char*[int*] aa = [ &i : &c ];
}
/******************************
TEST_OUTPUT:
---
fail_compilation/test18282.d(1007): Error: escaping a reference to local variable `foo` by copying `& foo` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(1008): Error: escaping a reference to local variable `foo` by copying `& foo` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(1009): Error: escaping a reference to local variable `foo` by copying `& foo` into allocated memory is not allowed in a `@safe` function
fail_compilation/test18282.d(1016): Error: escaping a reference to parameter `this` by copying `&this` into allocated memory is not allowed in a `@safe` function
---
*/
#line 1000
// https://issues.dlang.org/show_bug.cgi?id=18282
void test18282() @safe
{
string foo = "foo";
scope string*[] ls;
ls = ls ~ &foo;
ls = &foo ~ ls;
ls ~= &foo;
}
struct S
{
auto fun()
{
arr ~= &this;
}
S*[] arr;
}