Jinoh Kang : ntdll/tests: Restore x86-64 #AC exception test in test_exceptions().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 015434d24c6d6b23d464ff1b3233b39d7a82812c
URL:    https://gitlab.winehq.org/wine/wine/-/commit/015434d24c6d6b23d464ff1b3233b39...

Author: Jinoh Kang 
Date:   Sat Jan  6 22:40:45 2024 +0900

ntdll/tests: Restore x86-64 #AC exception test in test_exceptions().

---

dlls/ntdll/tests/exception.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c
index e49fbb5bce1..3c4d6620fe8 100644
--- a/dlls/ntdll/tests/exception.c
+++ b/dlls/ntdll/tests/exception.c
@@ -3446,8 +3446,13 @@ static DWORD WINAPI align_check_handler( EXCEPTION_RECORD *rec, ULONG64 frame,
 #ifdef __GNUC__
     __asm__ volatile( "pushfq; andl $~0x40000,(%rsp); popfq" );
 #endif
-    ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
+    ok (context->EFlags & 0x40000, "eflags has AC bit unset\n");
     got_exception++;
+    if (got_exception != 1)
+    {
+        ok(broken(1) /* win7 */, "exception should occur only once");
+        context->EFlags &= ~0x40000;
+    }
     return ExceptionContinueExecution;
 }

@@ -3588,12 +3593,10 @@ static void test_exceptions(void)
     ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);

/* test alignment exceptions */
-    if (0)  /* broken on Windows */
-    {
     got_exception = 0;
     run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
-    ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
-    }
+    todo_wine
+    ok(got_exception == 1 || broken(got_exception == 2) /* win7 */, "got %d alignment faults, expected 1\n", got_exception);

/* test direction flag */
     got_exception = 0;