Ignore WASM on asm tests

src/test/ui/asm/invalid-inline-asm-2.rs

+// ignore-wasm
+// ignore-emscripten
+
 #![feature(asm)]
 
 fn main() {

src/test/ui/asm/invalid-inline-asm-2.stderr

 error: couldn't allocate output register for constraint 'd'
-  --> $DIR/invalid-inline-asm-2.rs:7:9
+  --> $DIR/invalid-inline-asm-2.rs:10:9
    |
 LL |         asm!("" : "=d"(a) : : : );
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^

src/test/ui/asm/invalid-inline-asm.rs

+// ignore-wasm
+// ignore-emscripten
+
 #![feature(asm)]
 
 fn main() {

src/test/ui/asm/invalid-inline-asm.stderr

 error: couldn't allocate input reg for constraint 'a'
-  --> $DIR/invalid-inline-asm.rs:7:14
+  --> $DIR/invalid-inline-asm.rs:10:14
    |
 LL |     unsafe { asm!("out %al, %dx" :: "a" (byte), "d" (port) :: "volatile"); }
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^