Add test if asm const are MIR inlined and monomorphized twice

Author: nbdd0121

tests/ui/asm/asm-const-ptr-mir-inline.rs

@@ -0,0 +1,17 @@
+//@ build-pass
+//@ needs-asm-support
+
+#![feature(asm_const_ptr)]
+
+// Force inline to exercise the codegen when the same asm const ptr is code-generated multiple
+// times.
+#[inline(always)]
+fn foo<const N:usize>() {
+    unsafe{core::arch::asm!("/* {} */", const &N)};
+}
+
+fn main(){
+    foo::<0>();
+    foo::<0>();
+    foo::<1>();
+}