git head crash/regression failures

I am seeing psql crash and massive regression test failures in git head.
The psql crash happens if .psqlrc contains:

    \set COMP_KEYWORD_CASE upper

and the crash backtrace is:

    Program received signal SIGSEGV, Segmentation fault.
    0x000055555557f350 in slash_yylex (yylval_param=yylval_param@entry=0x0, yyscanner=0x5555555fb6c0) at
psqlscanslash.c:1325
    1325                    *yy_cp = yyg->yy_hold_char;
    (gdb) bt
    #0  0x000055555557f350 in slash_yylex (yylval_param=yylval_param@entry=0x0, yyscanner=0x5555555fb6c0) at
psqlscanslash.c:1325
    #1  0x00005555555806a2 in psql_scan_slash_command (state=state@entry=0x5555555f8b20) at psqlscanslash.l:510
    #2  0x00005555555689b0 in HandleSlashCmds (scan_state=scan_state@entry=0x5555555f8b20,
cstack=cstack@entry=0x5555555fb760,query_buf=0x5555555fb780,
 
        previous_buf=0x5555555fb8b0) at command.c:212
    #3  0x000055555557e3c9 in MainLoop (source=source@entry=0x5555555fb490) at mainloop.c:486
    #4  0x00005555555670ed in process_file (filename=0x7fffffffda10 "/var/lib/postgresql/.psqlrc",
use_relative_path=<optimizedout>) at command.c:3594
 
    #5  0x0000555555584a1e in process_psqlrc_file (filename=0x7fffffffda10 "/var/lib/postgresql/.psqlrc") at
startup.c:781
    #6  0x0000555555584b71 in process_psqlrc (argv0=<optimized out>) at startup.c:756
    #7  0x0000555555585adc in main (argc=<optimized out>, argv=0x7fffffffe418) at startup.c:315

The regression test seem to be crashing from \d.  For example, in
src/test/regress/results/tablespace.out, once this line appears:

    \d testschema.test_index1

the file ends, while the expected file has many more lines.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
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