https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105765
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by David Malcolm <dmalc...@gcc.gnu.org>: https://gcc.gnu.org/g:ebe87edadc4a3f15a6a0d0c1d4a198e0ea37d8b5 commit r13-3390-gebe87edadc4a3f15a6a0d0c1d4a198e0ea37d8b5 Author: David Malcolm <dmalc...@redhat.com> Date: Wed Oct 19 16:49:38 2022 -0400 analyzer: fix ICE on __builtin_ms_va_copy [PR105765] gcc/analyzer/ChangeLog: PR analyzer/105765 * varargs.cc (get_BT_VALIST_ARG): Rename to... (get_va_copy_arg): ...this, and update logic for determining level of indirection of va_copy's argument to use type of argument, rather than looking at va_list_type_node, to correctly handle __builtin_ms_va_copy. (get_stateful_BT_VALIST_ARG): Rename to... (get_stateful_va_copy_arg): ...this. (va_list_state_machine::on_va_copy): Update for renaming. (region_model::impl_call_va_copy): Likewise. gcc/testsuite/ChangeLog: PR analyzer/105765 * gcc.dg/analyzer/stdarg-1-ms_abi.c: New test, based on stdarg-1.c. * gcc.dg/analyzer/stdarg-1-sysv_abi.c: Likewise. Signed-off-by: David Malcolm <dmalc...@redhat.com>