Use a small GC heap when running under MIRI (#9160)

3 months ago · 3137116a4a
1 changed files with 5 additions and 0 deletions
--- a/crates/wasmtime/src/runtime/vm/gc/enabled.rs
+++ b/crates/wasmtime/src/runtime/vm/gc/enabled.rs
@ -21,4 +21,9 @@ pub fn default_gc_runtime() -> impl GcRuntime {
 }

 /// The default GC heap capacity: 512KiB.
+#[cfg(not(miri))]
 const DEFAULT_GC_HEAP_CAPACITY: usize = 1 << 19;
+
+/// The default GC heap capacity for miri: 64KiB.
+#[cfg(miri)]
+const DEFAULT_GC_HEAP_CAPACITY: usize = 1 << 16;