test: for frame-pointer=non-leaf codegen opts

Author: workingjubilee

tests/codegen/force-frame-pointers.rs

@@ -1,6 +1,11 @@
-//@ compile-flags: -C no-prepopulate-passes -C force-frame-pointers=y -Copt-level=0
+//@ revisions: always non-leaf
+//@ [Always] compile-flags: -Cforce-frame-pointers=yes
+//@ [NonLeaf] compile-flags: -Cforce-frame-pointers=non-leaf
+//@ compile-flags: -Zunstable-options
+//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
 
-#![crate_type="lib"]
+#![crate_type = "lib"]
 
-// CHECK: attributes #{{.*}} "frame-pointer"="all"
+// Always: attributes #{{.*}} "frame-pointer"="all"
+// NonLeaf: attributes #{{.*}} "frame-pointer"="non-leaf"
 pub fn foo() {}