Omit inline asm when using emscripten with the js unwind abi

bjorn3 · bjorn3 · commit 730c7647bcde · 2025-11-20T14:36:07.000Z
diff --git a/library/unwind/src/wasm.rs b/library/unwind/src/wasm.rs
@@ -39,6 +39,7 @@ pub unsafe fn _Unwind_DeleteException(exception: *mut _Unwind_Exception) {
     }
 }
 
+#[any(not(target_os = "emscripten"), emscripten_wasm_eh)]
 pub unsafe fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code {
     // This implementation is only used for `wasm*-unknown-unknown` targets. Such targets are not
     // guaranteed to support exceptions, and they default to `-C panic=abort`. Because an unknown

Original file line number	Diff line number	Diff line change
`@@ -39,6 +39,7 @@ pub unsafe fn _Unwind_DeleteException(exception: *mut _Unwind_Exception) {`
`39`	`39`	`}`
`40`	`40`	`}`
`41`	`41`
	`42`	`+#[any(not(target_os = "emscripten"), emscripten_wasm_eh)]`
`42`	`43`	`pub unsafe fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code {`
`43`	`44`	// This implementation is only used for `wasm*-unknown-unknown` targets. Such targets are not
`44`	`45`	// guaranteed to support exceptions, and they default to `-C panic=abort`. Because an unknown