commit bcf972c0208490b0eb3ce3c170c2db486ba945b3
author Chris Wailes <chriswailes@google.com> Thu Oct 21 11:03:28 2021 -0700
committer Chris Wailes <chriswailes@google.com> Thu Oct 21 11:09:35 2021 -0700
tree b1c1dbb1b4ab51d68cdf0d952fd8b6df20856cbd
parent 54272acac043c1dedfb7db7420545b31ec1ac51f

Importing rustc-1.56.0

Change-Id: I98941481270706fa55f8fb2cb91686ae3bd30f38

compiler/rustc_target/src/spec/thumb_base.rs

diff --git a/compiler/rustc_target/src/spec/thumb_base.rs b/compiler/rustc_target/src/spec/thumb_base.rs
index bac1203..e2e5285 100644
--- a/compiler/rustc_target/src/spec/thumb_base.rs
+++ b/compiler/rustc_target/src/spec/thumb_base.rs
@@ -53,6 +53,9 @@
         // LLVM is eager to trash the link register when calling `noreturn` functions, which
         // breaks debugging. Preserve LR by default to prevent that from happening.
         frame_pointer: FramePointer::Always,
+        // ARM supports multiple ABIs for enums, the linux one matches the default of 32 here
+        // but any arm-none or thumb-none target will be defaulted to 8 on GCC and clang
+        c_enum_min_bits: 8,
         ..Default::default()
     }
 }