Add needs-unwind annotations to a couple of tests

Author: bjorn3

compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh

@@ -41,12 +41,6 @@ rm tests/ui/parser/unclosed-delimiter-in-dep.rs # submodule contains //~ERROR
 # missing features
 # ================
 
-# requires stack unwinding
-# FIXME add needs-unwind to these tests
-rm -r tests/run-make/libtest-junit
-rm tests/ui/asm/may_unwind.rs
-rm tests/ui/stable-mir-print/basic_function.rs
-
 # extra warning about -Cpanic=abort for proc macros
 rm tests/ui/proc-macro/crt-static.rs
 rm tests/ui/proc-macro/proc-macro-deprecated-attr.rs

tests/run-make/libtest-junit/Makefile

@@ -1,4 +1,5 @@
 # ignore-cross-compile
+# needs-unwind contains should_panic test
 include ../tools.mk
 
 # Test expected libtest's junit output

tests/ui/asm/may_unwind.rs

@@ -1,5 +1,6 @@
 //@ run-pass
 //@ needs-asm-support
+//@ needs-unwind
 
 #![feature(asm_unwind)]
 

tests/ui/stable-mir-print/basic_function.rs

@@ -1,6 +1,7 @@
 //@ compile-flags: -Z unpretty=stable-mir -Z mir-opt-level=3
 //@ check-pass
 //@ only-x86_64
+//@ needs-unwind unwind edges are different with panic=abort
 
 fn foo(i: i32) -> i32 {
     i + 1