Auto merge of #48786 - nagisa:fp, r=nikomatsakis

Add force-frame-pointer flag to allow control of frame pointer ommision

Rebase of #47152 plus some changes suggested by https://github.com/rust-lang/rust/issues/48785.

Fixes #11906

r? @nikomatsakis

1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/codegen/force-frame-pointers.rs b/src/test/codegen/force-frame-pointers.rs
new file mode 100644
index 00000000000..f70e3667198
--- /dev/null
+++ b/src/test/codegen/force-frame-pointers.rs
@@ -0,0 +1,16 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// compile-flags: -C no-prepopulate-passes -C force-frame-pointers=y
+
+#![crate_type="lib"]
+
+// CHECK: attributes #{{.*}} "no-frame-pointer-elim"="true"
+pub fn foo() {}