pike8: segfault on invalid source code input

[mknos]

I don't have a Current version of pike installed. I have two different versions of Pike8 installed on arm64 and armv7. I am reporting this in case the problem also exists in the current version.

I select an invalid input file. In this case it is a perl script. The download link is:
https://raw.githubusercontent.com/briandfoy/PerlPowerTools/refs/heads/master/bin/morse

After printing a few syntax errors, pike fails with a Segmentation fault. This should not happen. Possibly pike should give up on this input file earlier. The line number for pike_types.c is slightly different for the two pike versions I tested.

1. arm64

%pike morse
morse:3:syntax error, unexpected '='
morse:17:syntax error, unexpected TOK_COLON_COLON, expecting '('
morse:19:syntax error, unexpected '('
morse:19:Illegal character '$' (0x24)
morse:21:syntax error, unexpected '%'
morse:37:syntax error, unexpected '%'
morse:39:syntax error, unexpected '%'
morse:44:syntax error, unexpected '%'
morse:45:syntax error, unexpected '('
morse:45:Illegal character '\' (0x5c)
morse:46:Illegal character '$' (0x24)
morse:47:Illegal character '$' (0x24)
morse:48:Missing ';'.
morse:49:Illegal character '$' (0x24)
morse:49:Missing ';'.
morse:50:Illegal character '$' (0x24)
morse:50:Missing ';'.
morse:51:Illegal character '$' (0x24)
morse:51:Missing ';'.
morse:52:syntax error, unexpected '}'
morse:52:Missing ';'.
./src/pike_types.c:709: Fatal error:
Type mark stack underflow
Segmentation fault

%pike
Pike v8.0 release 1738 running Hilfe v3.5 (Incremental Pike Frontend)
> System.uname();
(1) Result: ([ /* 5 elements */
              "machine": "aarch64",
              "nodename": "raspberrypi",
              "release": "6.6.51+rpt-rpi-v8",
              "sysname": "Linux",
              "version": "#1 SMP PREEMPT Debian 1:6.6.51-1+rpt3 (2024-10-08)"
            ])
> Pike.get_runtime_info();
(2) Result: ([ /* 6 elements */
              "abi": 64,
              "auto_bignum": 1,
              "bytecode_method": "default",
              "float_size": 64,
              "int_size": 64,
              "native_byteorder": 1234
            ])
Terminal closed.

2. armv7

%pike morse
morse:3:syntax error, unexpected '='
morse:17:syntax error, unexpected TOK_COLON_COLON, expecting '('
morse:19:syntax error, unexpected '('
morse:19:Illegal character '$' (0x24)
morse:21:syntax error, unexpected '%'
morse:37:syntax error, unexpected '%'
morse:39:syntax error, unexpected '%'
morse:44:syntax error, unexpected '%'
morse:45:syntax error, unexpected '('
morse:45:Illegal character '\' (0x5c)
morse:46:Illegal character '$' (0x24)
morse:47:Illegal character '$' (0x24)
morse:48:Missing ';'.
morse:49:Illegal character '$' (0x24)
morse:49:Missing ';'.
morse:50:Illegal character '$' (0x24)
morse:50:Missing ';'.
morse:51:Illegal character '$' (0x24)
morse:51:Missing ';'.
morse:52:syntax error, unexpected '}'
morse:52:Missing ';'.
./src/pike_types.c:707: Fatal error:
Type mark stack underflow
Segmentation fault

%pike
Pike v8.0 release 1116 running Hilfe v3.5 (Incremental Pike Frontend)
> System.uname();
(1) Result: ([ /* 5 elements */
              "machine": "armv7l",
              "nodename": "raspberrypi",
              "release": "5.10.63-v7+",
              "sysname": "Linux",
              "version": "#1459 SMP Wed Oct 6 16:41:10 BST 2021"
            ])
> Pike.get_runtime_info();
(2) Result: ([ /* 6 elements */
              "abi": 32,
              "auto_bignum": 1,
              "bytecode_method": "default",
              "float_size": 32,
              "int_size": 32,
              "native_byteorder": 1234
            ])
Terminal closed.