mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Report heap allocation instead of non-const fn for exchange_malloc call

Browse Source
This commit is contained in:
Gary Guo 2021-09-16 22:49:34 +01:00
parent 511333fcc4
commit 19eaee2c32
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
compiler/rustc_const_eval/src/transform/check_consts/check.rs
View File

@ -913,6 +913,11 @@ impl Visitor<'tcx> for Checker<'mir, 'tcx> {
return;
}
if Some(callee) == tcx.lang_items().exchange_malloc_fn() {
self.check_op(ops::HeapAllocation);
return;
}
// `async` blocks get lowered to `std::future::from_generator(/* a closure */)`.
let is_async_block = Some(callee) == tcx.lang_items().from_generator_fn();
if is_async_block {