diff options
Diffstat (limited to 'src/test/mir-opt/generator_storage_dead_unwind.rs')
-rw-r--r-- | src/test/mir-opt/generator_storage_dead_unwind.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/mir-opt/generator_storage_dead_unwind.rs b/src/test/mir-opt/generator_storage_dead_unwind.rs new file mode 100644 index 000000000..b72170ade --- /dev/null +++ b/src/test/mir-opt/generator_storage_dead_unwind.rs @@ -0,0 +1,29 @@ +// ignore-wasm32-bare compiled with panic=abort by default + +// Test that we generate StorageDead on unwind paths for generators. +// +// Basic block and local names can safely change, but the StorageDead statements +// should not go away. + +#![feature(generators, generator_trait)] + +struct Foo(i32); + +impl Drop for Foo { + fn drop(&mut self) {} +} + +struct Bar(i32); + +fn take<T>(_x: T) {} + +// EMIT_MIR generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir +fn main() { + let _gen = || { + let a = Foo(5); + let b = Bar(6); + yield; + take(a); + take(b); + }; +} |