diff options
Diffstat (limited to 'gcc/tree-cfgcleanup.c')
| -rw-r--r-- | gcc/tree-cfgcleanup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-cfgcleanup.c b/gcc/tree-cfgcleanup.c index 433900c..ba1854a 100644 --- a/gcc/tree-cfgcleanup.c +++ b/gcc/tree-cfgcleanup.c @@ -483,7 +483,12 @@ split_bbs_on_noreturn_calls (void) { stmt = VEC_pop (gimple, MODIFIED_NORETURN_CALLS (cfun)); bb = gimple_bb (stmt); + /* BB might be deleted at this point, so verify first + BB is present in the cfg. */ if (bb == NULL + || bb->index < NUM_FIXED_BLOCKS + || bb->index >= n_basic_blocks + || BASIC_BLOCK (bb->index) != bb || last_stmt (bb) == stmt || !gimple_call_noreturn_p (stmt)) continue; |