src/test/mir-opt/generator-drop-cleanup.rs

   1 #![feature(generators, generator_trait)]
   2
   3 // Regression test for #58892, generator drop shims should not have blocks
   4 // spuriously marked as cleanup
   5
   6 fn main() {
   7     let gen = || {
   8         yield;
   9     };
  10 }
  11
  12 // END RUST SOURCE
  13
  14 // START rustc.main-{{closure}}.generator_drop.0.mir
  15 // bb0: {
  16 //     _5 = discriminant((*_1));
  17 //     switchInt(move _5) -> [0u32: bb4, 3u32: bb7, otherwise: bb8];
  18 // }
  19 // bb1: {
  20 //     StorageDead(_3);
  21 //     StorageDead(_2);
  22 //     goto -> bb5;
  23 // }
  24 // bb2: {
  25 //     return;
  26 // }
  27 // bb3: {
  28 //     return;
  29 // }
  30 // bb4: {
  31 //     goto -> bb6;
  32 // }
  33 // bb5: {
  34 //     goto -> bb2;
  35 // }
  36 // bb6: {
  37 //     goto -> bb3;
  38 // }
  39 // bb7: {
  40 //     StorageLive(_2);
  41 //     StorageLive(_3);
  42 //     goto -> bb1;
  43 // }
  44 // bb8: {
  45 //     return;
  46 // }
  47 // END rustc.main-{{closure}}.generator_drop.0.mir