Use the same devtoolset as GraalVM dev builds and releases

* Fixes the missing definition of NO_SANITIZE on linux-aarch64 with GCC 7.3.1.
  With the devtoolset it's GCC 10.2.1 on linux-aarch64.

Author: eregon

ci.jsonnet

@@ -232,14 +232,18 @@ local part_definitions = {
   },
 
   platform: {
-    local common_deps = common.deps.truffleruby + common.deps.sulong,
-    local linux_amd64_extra_deps = {
-      packages+: {
-        binutils: ">=2.30",
-      },
-    },
-
-    linux: common.linux_amd64 + common_deps + linux_amd64_extra_deps + {
+    local devtoolset = { # Until there is a proper object in common.jsonnet for it
+      packages+: if self.os == "linux" then
+        (if self.arch == "aarch64" then {
+          "00:devtoolset": "==10",
+        } else {
+          "00:devtoolset": "==11",
+        })
+      else {},
+    },
+    local common_deps = common.deps.truffleruby + common.deps.sulong + devtoolset,
+
+    linux: common.linux_amd64 + common_deps + {
       platform_name:: "LinuxAMD64",
       "$.cap":: {
         normal_machine: [],

lib/cext/include/truffleruby/config_linux_aarch64.h

@@ -156,6 +156,7 @@
 #define DEPRECATED_BY(n,x) __attribute__ ((__deprecated__("by "#n))) x
 #define NOINLINE(x) __attribute__ ((__noinline__)) x
 #define ALWAYS_INLINE(x) __attribute__ ((__always_inline__)) x
+#define NO_SANITIZE(san, x) __attribute__ ((__no_sanitize__(san))) x
 #define NO_SANITIZE_ADDRESS(x) __attribute__ ((__no_sanitize_address__)) x
 #define NO_ADDRESS_SAFETY_ANALYSIS(x) __attribute__ ((__no_address_safety_analysis__)) x
 #define WARN_UNUSED_RESULT(x) __attribute__ ((__warn_unused_result__)) x