I get segfault from racketcgc trying to run compile-startup.rkt
https://buildd.debian.org/status/fetch.php?pkg=racket&arch=armhf&ver=7.5%2Bdfsg2-1&stamp=1577755807&raw=0
I can duplicate the segfault in GDB, but the backtrace looks corrupted
at first glance [1].
I'm happy to gather more data if someone has an idea what to try.
We're tracking this in Debian at [0]
[0]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948789
[1]: output from gdb
#0 0xb6ea3254 in malloc_stats () from /lib/arm-linux-gnueabihf/libc.so.6
#1 <function called from gdb>
#2 hamt_make2 (kind=-1368709120, shift=747399,
shift@entry=<error reading variable: DWARF-2 expression error: Loop
detected (257).>, code1=3204429948,
key1=0x6, val1=val1@entry=0xb5d15ae8, code2=code2@entry=3204429948,
key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2594
#3 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#4 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#5 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#6 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#7 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#8 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#9 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#10 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
#11 0x0044c722 in hamt_make2 (kind=<optimized out>,
shift=<error reading variable: DWARF-2 expression error: Loop detected
(257).>, code1=<optimized out>,
key1=<optimized out>, val1=val1@entry=0xb5d15ae8,
code2=code2@entry=3204429948, key2=key2@entry=0xb6916410,
val2=val2@entry=0xa) at ./src/racket/src/hash.c:2599
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