gcc/ChangeLog:
PR middle-end/42363
* gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
* tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
(verify_gimple_call): Reject LHS in noreturn calls.
gcc/testsuite/ChangeLog:
PR middle-end/42363
* gcc.dg/torture/pr42363.c: New.

From-SVN: r155762