codegen: fix padding calculation for error unions when lowering

* do not track `rdi` register before `call` inst, but instead freeze
  it from further use, until `call` has been realised
* pass more error union tests

1 files changed, 0 insertions, 5 deletions

diff --git a/test/behavior/error.zig b/test/behavior/error.zig
index 8e7ed3607e..0dda7472ea 100644
--- a/test/behavior/error.zig
+++ b/test/behavior/error.zig
@@ -23,7 +23,6 @@ fn shouldBeNotEqual(a: anyerror, b: anyerror) void {
 }
 
 test "error binary operator" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
 
@@ -58,7 +57,6 @@ pub fn baz() anyerror!i32 {
 }
 
 test "error wrapping" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
 
@@ -66,7 +64,6 @@ test "error wrapping" {
 }
 
 test "unwrap simple value from error" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
 
@@ -102,7 +99,6 @@ test "syntax: optional operator in front of error union operator" {
 }
 
 test "widen cast integer payload of error union function call" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
 
@@ -307,7 +303,6 @@ test "error: Infer error set from literals" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
 
     _ = nullLiteral("n") catch |err| handleErrors(err);