stage2: remove use of `builtin.stage2_arch` workaround

The LLVM backend no longer needs this hack! However, the other backends
still do. So there are still some traces of this workaround in use for now.

2 files changed, 3 insertions, 3 deletions

diff --git a/test/behavior/atomics.zig b/test/behavior/atomics.zig
index 37bc9930a7..0643b62fe3 100644
--- a/test/behavior/atomics.zig
+++ b/test/behavior/atomics.zig
@@ -89,7 +89,7 @@ test "128-bit cmpxchg" {
 
 fn test_u128_cmpxchg() !void {
     if (builtin.zig_is_stage2) {
-        if (builtin.stage2_arch != .x86_64) return error.SkipZigTest;
+        if (builtin.cpu.arch != .x86_64) return error.SkipZigTest;
         if (!builtin.stage2_x86_cx16) return error.SkipZigTest;
     } else {
         if (builtin.cpu.arch != .x86_64) return error.SkipZigTest;
diff --git a/test/behavior/widening.zig b/test/behavior/widening.zig
index 21fe731ca5..3074e96e61 100644
--- a/test/behavior/widening.zig
+++ b/test/behavior/widening.zig
@@ -30,8 +30,8 @@ test "float widening" {
 
 test "float widening f16 to f128" {
     // TODO https://github.com/ziglang/zig/issues/3282
-    if (@import("builtin").stage2_arch == .aarch64) return error.SkipZigTest;
-    if (@import("builtin").stage2_arch == .powerpc64le) return error.SkipZigTest;
+    if (@import("builtin").cpu.arch == .aarch64) return error.SkipZigTest;
+    if (@import("builtin").cpu.arch == .powerpc64le) return error.SkipZigTest;
 
     var x: f16 = 12.34;
     var y: f128 = x;