add adelie rust patches?zv/mrustc

1 files changed, 24 insertions, 0 deletions

diff --git a/experimental/mrustc/mrustc-0006-Codegen-C-Turn-down-gcc-optimisation-level-to-work-a.patch b/experimental/mrustc/mrustc-0006-Codegen-C-Turn-down-gcc-optimisation-level-to-work-a.patch
new file mode 100644
index 000000000..f84c19b44
--- /dev/null
+++ b/experimental/mrustc/mrustc-0006-Codegen-C-Turn-down-gcc-optimisation-level-to-work-a.patch
@@ -0,0 +1,24 @@
+From 994ddf817a554c48ae03840c8aaf82fb99ab5d27 Mon Sep 17 00:00:00 2001
+From: John Hodge <tpg@mutabah.net>
+Date: Mon, 16 Dec 2024 20:09:09 +0800
+Subject: [PATCH 6/6] Codegen C - Turn down gcc optimisation level to work
+ around #347
+
+
+diff --git a/src/trans/codegen_c.cpp b/src/trans/codegen_c.cpp
+index c40a8d98..6a3cdf25 100644
+--- a/src/trans/codegen_c.cpp
++++ b/src/trans/codegen_c.cpp
+@@ -1282,7 +1282,8 @@ namespace {
+                     args.push_back("-O1");
+                     break;
+                 case 2:
+-                    args.push_back("-O2");
++                    //args.push_back("-O2");
++                    args.push_back("-O1");  // HACK: Work around mrustc #347 by reducing the optimisation level
+                     break;
+                 }
+                 // HACK: Work around [https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117423] by disabling an optimisation stage
+-- 
+2.40.0
+