[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

[burnus at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622

--- Comment #8 from Tobias Burnus <burnus at gcc dot gnu.org> ---
I am not sure whether this is a sensible solution, but it fixes
the issue for c-c++-common/goacc/kernels-alias-ipa-pta-2.c ...


diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index 529ec3a5b80..c93e9b46d8d 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -8132,7 +8132,7 @@ refered_from_nonlocal_fn (struct cgraph_node *node, void
*data)
   *nonlocal_p |= (node->used_from_other_partition
                  || DECL_EXTERNAL (node->decl)
                  || TREE_PUBLIC (node->decl)
-                 || node->force_output
+                 || (node->force_output && !node->offloadable)
                  || lookup_attribute ("noipa", DECL_ATTRIBUTES (node->decl)));
   return false;
 }
@@ -8195,7 +8195,7 @@ ipa_pta_execute (void)
       bool nonlocal_p = (node->used_from_other_partition
                         || DECL_EXTERNAL (node->decl)
                         || TREE_PUBLIC (node->decl)
-                        || node->force_output
+                        || (node->force_output && !node->offloadable)
                         || lookup_attribute ("noipa",
                                              DECL_ATTRIBUTES (node->decl)));
       node->call_for_symbol_thunks_and_aliases (refered_from_nonlocal_fn,