Fix GENERATE_DEBUG_SECTION for clangcl on Windows

Author: chris-eibl

Include/internal/pycore_debug_offsets.h

@@ -23,7 +23,9 @@ extern "C" {
    declaration                                      \
    _GENERATE_DEBUG_SECTION_LINUX(name)
 
-#if defined(MS_WINDOWS) && !defined(__clang__)
+// Please note that section names are truncated to eight bytes
+// on Windows!
+#if defined(MS_WINDOWS)
 #define _GENERATE_DEBUG_SECTION_WINDOWS(name)                       \
    _Pragma(Py_STRINGIFY(section(Py_STRINGIFY(name), read, write))) \
    __declspec(allocate(Py_STRINGIFY(name)))

Modules/_asynciomodule.c

@@ -116,7 +116,7 @@ typedef struct _Py_AsyncioModuleDebugOffsets {
     } asyncio_thread_state;
 } Py_AsyncioModuleDebugOffsets;
 
-GENERATE_DEBUG_SECTION(AsyncioDebug, Py_AsyncioModuleDebugOffsets AsyncioDebug)
+GENERATE_DEBUG_SECTION(AsyncioDebug, Py_AsyncioModuleDebugOffsets _AsyncioDebug)
     = {.asyncio_task_object = {
            .size = sizeof(TaskObj),
            .task_name = offsetof(TaskObj, task_name),