Revert "Auto merge of #63649 - tlively:emscripten-upstream-upgrade, r=alexcrichton"

This reverts commit 7870050796, reversing
changes made to 2e7244807a.

src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs

@@ -1,5 +1,5 @@
 // run-pass
-// ignore-emscripten compiled with panic=abort by default
+// ignore-wasm32-bare compiled with panic=abort by default
 // compile-flags: -C overflow-checks
 
 use std::panic;