https://github.com/igorkudrin updated 
https://github.com/llvm/llvm-project/pull/150579

>From f687e98f005544a4a9c7dad38579f5f91573a6ed Mon Sep 17 00:00:00 2001
From: Igor Kudrin <ikud...@accesssoftek.com>
Date: Thu, 24 Jul 2025 23:46:37 -0700
Subject: [PATCH] [lldb][test] Fix running TestWithLimitDebugInfo.py on Windows

When debug info categories were set for a test method with the
`@add_test_categories` decorator, they were all added to its
"categories" attribute. If some of these categories were not supported,
`LLDBTestResult.startTest()` skipped all variants of the test method.

For example, the tests in `TestWithLimitDebugInfo.py` use the categories
`dwarf` and `dwo`. However, since `dwo` is not supported on Windows, all
the tests in this file were skipped, even though the tests for `dwarf`
could be run.
---
 .../Python/lldbsuite/test/lldbtest.py         | 24 +++++++++++--------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/lldb/packages/Python/lldbsuite/test/lldbtest.py 
b/lldb/packages/Python/lldbsuite/test/lldbtest.py
index 63fadb59a82a1..9f2566ffe183e 100644
--- a/lldb/packages/Python/lldbsuite/test/lldbtest.py
+++ b/lldb/packages/Python/lldbsuite/test/lldbtest.py
@@ -1775,16 +1775,20 @@ def no_reason(_):
                 attrvalue, "__no_debug_info_test__", False
             ):
                 # If any debug info categories were explicitly tagged, assume 
that list to be
-                # authoritative.  If none were specified, try with all debug
-                # info formats.
-                all_dbginfo_categories = set(
+                # authoritative.  If none were specified, try with all debug 
info formats.
+                test_method_categories = getattr(attrvalue, "categories", [])
+                dbginfo_categories = set(test_method_categories) & set(
                     test_categories.debug_info_categories.keys()
                 )
-                categories = (
-                    set(getattr(attrvalue, "categories", [])) & 
all_dbginfo_categories
-                )
-                if not categories:
-                    categories = [
+                if dbginfo_categories:
+                    other_categories = [
+                        category
+                        for category in test_method_categories
+                        if category not in dbginfo_categories
+                    ]
+                else:
+                    other_categories = test_method_categories
+                    dbginfo_categories = [
                         category
                         for category, can_replicate in 
test_categories.debug_info_categories.items()
                         if can_replicate
@@ -1796,9 +1800,8 @@ def no_reason(_):
                 skip_for_debug_info_cat_fn = getattr(
                     attrvalue, "__skip_for_debug_info_cat_fn__", no_reason
                 )
-                for cat in categories:
+                for cat in dbginfo_categories:
 
-                    @decorators.add_test_categories([cat])
                     @wraps(attrvalue)
                     def test_method(self, attrvalue=attrvalue):
                         return attrvalue(self)
@@ -1806,6 +1809,7 @@ def test_method(self, attrvalue=attrvalue):
                     method_name = attrname + "_" + cat
                     test_method.__name__ = method_name
                     test_method.debug_info = cat
+                    test_method.categories = other_categories + [cat]
 
                     xfail_reason = xfail_for_debug_info_cat_fn(cat)
                     if xfail_reason:

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