src/relation_info.c: In function ‘resowner_prel_add’:src/relation_info.c:74:31: warning: declaration of ‘old_mcxt’ shadows a previous local [-Wshadow=compatible-local]   74 |                 MemoryContext old_mcxt = MemoryContextSwitchTo((prel)->mcxt); \      |                               ^~~~~~~~src/relation_info.c:608:17: note: in expansion of macro ‘LeakTrackerAdd’  608 |                 LeakTrackerAdd(prel);      |                 ^~~~~~~~~~~~~~src/relation_info.c:592:41: note: shadowed declaration is here  592 |                 MemoryContext           old_mcxt;      |                                         ^~~~~~~~src/relation_info.c: In function ‘resonwner_prel_callback’:src/relation_info.c:87:27: warning: declaration of ‘lc’ shadows a previous local [-Wshadow=compatible-local]   87 |                 ListCell *lc; \      |                           ^~src/relation_info.c:691:41: note: in expansion of macro ‘LeakTrackerPrint’  691 |                                         LeakTrackerPrint(prel);      |                                         ^~~~~~~~~~~~~~~~src/relation_info.c:675:27: note: shadowed declaration is here  675 |                 ListCell *lc;      |                           ^~In file included from /home/marina/postgresql/postgresql/my/inst/include/server/access/tupdesc.h:19,                 from /home/marina/pg_pathman/src/include/compat/pg_compat.h:25,                 from src/relation_info.c:11:src/relation_info.c:88:26: warning: declaration of ‘lc__state’ shadows a previous local [-Wshadow=compatible-local]   88 |                 foreach (lc, (prel)->owners) \      |                          ^~/home/marina/postgresql/postgresql/my/inst/include/server/nodes/pg_list.h:372:27: note: in definition of macro ‘foreach’  372 |         for (ForEachState cell##__state = {(lst), 0}; \      |                           ^~~~src/relation_info.c:691:41: note: in expansion of macro ‘LeakTrackerPrint’  691 |                                         LeakTrackerPrint(prel);      |                                         ^~~~~~~~~~~~~~~~src/relation_info.c:684:34: note: shadowed declaration is here  684 |                         foreach (lc, info->prels)      |                                  ^~/home/marina/postgresql/postgresql/my/inst/include/server/nodes/pg_list.h:372:27: note: in definition of macro ‘foreach’  372 |         for (ForEachState cell##__state = {(lst), 0}; \      |                           ^~~~src/relation_info.c:98:27: warning: declaration of ‘lc’ shadows a previous local [-Wshadow=compatible-local]   98 |                 ListCell *lc; \      |                           ^~src/relation_info.c:705:33: note: in expansion of macro ‘LeakTrackerFree’  705 |                                 LeakTrackerFree(prel);      |                                 ^~~~~~~~~~~~~~~src/relation_info.c:675:27: note: shadowed declaration is here  675 |                 ListCell *lc;      |                           ^~In file included from /home/marina/postgresql/postgresql/my/inst/include/server/access/tupdesc.h:19,                 from /home/marina/pg_pathman/src/include/compat/pg_compat.h:25,                 from src/relation_info.c:11:src/relation_info.c:99:26: warning: declaration of ‘lc__state’ shadows a previous local [-Wshadow=compatible-local]   99 |                 foreach (lc, (prel)->owners) \      |                          ^~/home/marina/postgresql/postgresql/my/inst/include/server/nodes/pg_list.h:372:27: note: in definition of macro ‘foreach’  372 |         for (ForEachState cell##__state = {(lst), 0}; \      |                           ^~~~src/relation_info.c:705:33: note: in expansion of macro ‘LeakTrackerFree’  705 |                                 LeakTrackerFree(prel);      |                                 ^~~~~~~~~~~~~~~src/relation_info.c:684:34: note: shadowed declaration is here  684 |                         foreach (lc, info->prels)      |                                  ^~/home/marina/postgresql/postgresql/my/inst/include/server/nodes/pg_list.h:372:27: note: in definition of macro ‘foreach’  372 |         for (ForEachState cell##__state = {(lst), 0}; \      |                           ^~~~src/runtime_merge_append.c: In function ‘fetch_next_tuple’:src/runtime_merge_append.c:377:53: warning: declaration of ‘ps’ shadows a previous local [-Wshadow=compatible-local]  377 |                         PlanState                  *ps = child->content.plan_state;      |                                                     ^~src/runtime_merge_append.c:369:53: note: shadowed declaration is here  369 |         PlanState                                  *ps;      |                                                     ^~src/runtime_merge_append.c: In function ‘prepare_sort_from_pathkeys’:src/runtime_merge_append.c:724:52: warning: declaration of ‘em’ shadows a previous local [-Wshadow=compatible-local]  724 |                                 EquivalenceMember *em = (EquivalenceMember *) lfirst(j);      |                                                    ^~src/runtime_merge_append.c:635:36: note: shadowed declaration is here  635 |                 EquivalenceMember *em;      |                                    ^~src/partition_creation.c: In function ‘build_partitioning_expression’:src/partition_creation.c:2030:26: warning: declaration of ‘expr’ shadows a previous local [-Wshadow=compatible-local] 2030 |                 Node    *expr;      |                          ^~~~src/partition_creation.c:2017:21: note: shadowed declaration is here 2017 |         Node       *expr;      |                     ^~~~