Rollup merge of #78988 - alexcrichton:one-more-intrinsic, r=sfackler
Rollup merge of #78988 - alexcrichton:one-more-intrinsic, r=sfackler

Fix an intrinsic invocation on threaded wasm

This looks like it was forgotten to get updated in #74482 and wasm with
threads isn't built on CI so we didn't catch this by accident.

aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust