diff --git a/gcc/testsuite/gcc.dg/torture/pr100398.c b/gcc/testsuite/gcc.dg/torture/pr100398.c new file mode 100644 index 0000000000000000000000000000000000000000..41eaddee27e42492667a9998389f5997ed4df412 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr100398.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ + +int +test5_limit (void) +{ + int addr; + + asm goto ("" : "+r" (addr) : : : t_err); + return 0; + + t_err: + return 1; +} diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index dfa6d3147270f31552b07f2366a35bbdffa065eb..d7cf747702850165c6bd0ceb74a29e503afeb04e 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -1219,6 +1219,7 @@ pass_dse::execute (function *fun) dead SSA defs. */ if (has_zero_uses (DEF_FROM_PTR (def_p)) && !gimple_has_side_effects (stmt) + && !is_ctrl_altering_stmt (stmt) && !stmt_unremovable_because_of_non_call_eh_p (cfun, stmt)) { if (dump_file && (dump_flags & TDF_DETAILS))