gcc/testsuite/gdc.test/fail_compilation/attributediagnostic_nogc.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/attributediagnostic_nogc.d(21): Error: `@nogc` function `attributediagnostic_nogc.layer2` cannot call non-@nogc function `attributediagnostic_nogc.layer1`
   5 fail_compilation/attributediagnostic_nogc.d(22):        which calls `attributediagnostic_nogc.layer0`
   6 fail_compilation/attributediagnostic_nogc.d(23):        which calls `attributediagnostic_nogc.gc`
   7 fail_compilation/attributediagnostic_nogc.d(27):        which wasn't inferred `@nogc` because of:
   8 fail_compilation/attributediagnostic_nogc.d(27):        `asm` statement in function `attributediagnostic_nogc.gc` is assumed to use the GC - mark it with `@nogc` if it does not
   9 fail_compilation/attributediagnostic_nogc.d(43): Error: `@nogc` function `D main` cannot call non-@nogc function `attributediagnostic_nogc.gc1`
  10 fail_compilation/attributediagnostic_nogc.d(32):        which wasn't inferred `@nogc` because of:
  11 fail_compilation/attributediagnostic_nogc.d(32):        cannot use `new` in `@nogc` function `attributediagnostic_nogc.gc1`
  12 fail_compilation/attributediagnostic_nogc.d(44): Error: `@nogc` function `D main` cannot call non-@nogc function `attributediagnostic_nogc.gc2`
  13 fail_compilation/attributediagnostic_nogc.d(38):        which wasn't inferred `@nogc` because of:
  14 fail_compilation/attributediagnostic_nogc.d(38):        `@nogc` function `attributediagnostic_nogc.gc2` cannot call non-@nogc `fgc`
  15 fail_compilation/attributediagnostic_nogc.d(45): Error: `@nogc` function `D main` cannot call non-@nogc function `attributediagnostic_nogc.gcClosure`
  16 fail_compilation/attributediagnostic_nogc.d(48):        which wasn't inferred `@nogc` because of:
  17 fail_compilation/attributediagnostic_nogc.d(48):        function `attributediagnostic_nogc.gcClosure` is `@nogc` yet allocates closure for `gcClosure()` with the GC
  18 ---
  19 */
  20 #line 18
  21 // Issue 17374 - Improve inferred attribute error message
  22 // https://issues.dlang.org/show_bug.cgi?id=17374
  23
  24 auto layer2() @nogc { layer1(); }
  25 auto layer1() { layer0(); }
  26 auto layer0() { gc(); }
  27
  28 auto gc()
  29 {
  30     asm {}
  31 }
  32
  33 auto gc1()
  34 {
  35     int* x = new int;
  36 }
  37
  38 auto fgc = function void() {new int[10];};
  39 auto gc2()
  40 {
  41     fgc();
  42 }
  43
  44 void main() @nogc
  45 {
  46     gc1();
  47     gc2();
  48     gcClosure();
  49 }
  50
  51 auto gcClosure()
  52 {
  53     int x;
  54     int bar() { return x; }
  55     return &bar;
  56 }