[Bug c/84304] tree check fail in to_wide, at tree.h:5527

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84304

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---

For a valgrind version of gcc trunk revision 256812, I see this:

/home/dcb/gcc/results.256812.valgrind/bin/gcc
==31515== Invalid read of size 8
==31515==    at 0xFB02C6: canonize (wide-int.cc:96)
==31515==    by 0xFB02C6: wi::force_to_size(long*, long const*, unsigned int,
un
signed int, unsigned int, signop) (wide-int.cc:386)
==31515==    by 0xE5B703: from (wide-int.h:1121)
==31515==    by 0xE5B703: to_wide (tree.h:5538)