Apologies for piling on, but my compiler (gcc 9.4.0) is unhappy:
../postgresql/src/common/jsonapi.c: In function ‘IsValidJsonNumber’:
../postgresql/src/common/jsonapi.c:2016:30: error: ‘dummy_lex.inc_state’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
2016 | if (lex->incremental && !lex->inc_state->is_last_chunk &&
| ~~~^~~~~~~~~~~
../postgresql/src/common/jsonapi.c:2020:36: error: ‘dummy_lex.token_start’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
2020 | lex->token_start, s - lex->token_start);
| ~~~^~~~~~~~~~~~~
../postgresql/src/common/jsonapi.c:302:26: error: ‘numeric_error’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
302 | return (!numeric_error) && (total_len == dummy_lex.input_length);
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com