[Openmp-commits] [openmp] [OpenMP] Fix issue of indirect function call in `__kmpc_fork_call_if` (PR #65436)

[chandan singh via Openmp-commits]

================
@@ -352,10 +351,29 @@ void __kmpc_fork_call_if(ident_t *loc, kmp_int32 argc, kmpc_micro microtask,
   } else {
     __kmpc_serialized_parallel(loc, gtid);
 
+#ifdef OMPT_SUPPORT
+    void *exit_frame_ptr;
+#endif
+
     if (args)
-      microtask(&gtid, &zero, args);
+      __kmp_invoke_microtask(VOLATILE_CAST(microtask_t) microtask, gtid,
+                             /*npr=*/0,
+                             /*argc=*/1, &args
+#ifdef OMPT_SUPPORT
+                             ,
+                             &exit_frame_ptr
+#endif
+      );
     else
-      microtask(&gtid, &zero);
+      __kmp_invoke_microtask(VOLATILE_CAST(microtask_t) microtask, gtid,
+                             /*npr=*/0,
+                             /*argc=*/0,
+                             /*args=*/nullptr
----------------
chandankds wrote:

@shiltian This null pointer is causing segmentation fault in one of the flang test. I am new to Openmp runtimes, Could you please share what was the intention behind using nullptr here and can it be replaced with &args ?

https://github.com/llvm/llvm-project/pull/65436