Fix some tests for wasm32-unknown-emscripten

Author: nikic

src/test/run-pass/consts/const-endianess.rs

@@ -23,7 +23,7 @@ fn main() {
     assert_eq!(BE_U32, b(55u32).to_be());
     assert_eq!(LE_U32, b(55u32).to_le());
 
-    #[cfg(not(target_arch = "asmjs"))]
+    #[cfg(not(target_os = "emscripten"))]
     {
         const BE_U128: u128 = 999999u128.to_be();
         const LE_I128: i128 = (-999999i128).to_le();

src/test/ui/range/issue-54505-no-std.rs

@@ -11,7 +11,7 @@
 
 use core::ops::RangeBounds;
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
 #[lang = "eh_personality"]
 extern fn eh_personality() {}