vops_fdw.c: In function ‘foreign_grouping_ok’:vops_fdw.c:1218:53: warning: declaration of ‘expr’ shadows a previous local [-Wshadow=compatible-local] 1218 |                                         Expr       *expr = (Expr *) lfirst(l);      |                                                     ^~~~vops_fdw.c:1161:29: note: shadowed declaration is here 1161 |                 Expr       *expr = (Expr *) lfirst(lc);      |                             ^~~~vops_fdw.c:1243:29: warning: declaration of ‘lc’ shadows a previous local [-Wshadow=compatible-local] 1243 |                 ListCell   *lc;      |                             ^~vops_fdw.c:1118:21: note: shadowed declaration is here 1118 |         ListCell   *lc;      |                     ^~vops_fdw.c:1262:29: warning: declaration of ‘lc’ shadows a previous local [-Wshadow=compatible-local] 1262 |                 ListCell   *lc;      |                             ^~vops_fdw.c:1118:21: note: shadowed declaration is here 1118 |         ListCell   *lc;      |                     ^~vops_fdw.c:1263:29: warning: declaration of ‘aggvars’ shadows a previous local [-Wshadow=compatible-local] 1263 |                 List       *aggvars = pull_var_clause((Node *) fpinfo->local_conds,      |                             ^~~~~~~vops_fdw.c:1117:21: note: shadowed declaration is here 1117 |         List       *aggvars;      |                     ^~~~~~~vops.c: In function ‘vops_import’:vops.c:2973:49: warning: declaration of ‘dst’ shadows a previous local [-Wshadow=compatible-local] 2973 |                                           char* dst = (char*)(tile + 1);      |                                                 ^~~vops.c:2828:31: note: shadowed declaration is here 2828 |                         char* dst;      |                               ^~~