https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111625
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- It appears to go wrong sometime from 20230830 and 20230907: testsuite $ ~/gcc/results.20230830.valgrind/bin/gcc -c -w gcc.dg/bitint-8.c --202909-- WARNING: Serious error when reading debug info --202909-- When reading debug info from /usr/bin/as: --202909-- get_Form_contents: DW_FORM_GNU_strp_alt used, but no alternate .debug_str --202909-- WARNING: Serious error when reading debug info --202909-- When reading debug info from /usr/lib64/libbfd-2.39-9.fc38.so: --202909-- get_Form_contents: DW_FORM_GNU_strp_alt used, but no alternate .debug_str testsuite $ ~/gcc/results.20230907.valgrind/bin/gcc -c -w gcc.dg/bitint-8.c ==203039== Conditional jump or move depends on uninitialised value(s) ==203039== at 0x110BBA1: wide_int_to_tree_1(tree_node*, generic_wide_int<wide_int_ref_storage<false, true> > const&) (tree.cc:1748) ==203039== by 0x110C0FA: wide_int_to_tree (tree.cc:1869) ==203039== by 0x110C0FA: build_int_cst(tree_node*, poly_int<1u, long>) (tree.cc:1508)
