Original query:

src/semver.c:632:40: warning: incompatible integer to pointer conversion passing 'int' to
      parameter of type 'PGFunction' (aka 'unsigned long (*)(struct FunctionCallInfoBaseData
      *)') [-Wint-conversion]
        hash = DirectFunctionCall1Coll(hashtext, C_COLLATION_OID, prerel);
                                       ^~~~~~~~
src/semver.c:617:18: note: expanded from macro 'hashtext'
#define hashtext 400
                 ^~~