diff options
Diffstat (limited to 'gcc-4.9/gcc/tree-cfgcleanup.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-cfgcleanup.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/tree-cfgcleanup.c b/gcc-4.9/gcc/tree-cfgcleanup.c index 51b764f81..439f273cd 100644 --- a/gcc-4.9/gcc/tree-cfgcleanup.c +++ b/gcc-4.9/gcc/tree-cfgcleanup.c @@ -565,7 +565,20 @@ fixup_noreturn_call (gimple stmt) /* First split basic block if stmt is not last. */ if (stmt != gsi_stmt (gsi_last_bb (bb))) - split_block (bb, stmt); + { + if (stmt == gsi_stmt (gsi_last_nondebug_bb (bb))) + { + /* Don't split if there are only debug stmts + after stmt, that can result in -fcompare-debug + failures. Remove the debug stmts instead, + they should be all unreachable anyway. */ + gimple_stmt_iterator gsi = gsi_for_stmt (stmt); + for (gsi_next (&gsi); !gsi_end_p (gsi); ) + gsi_remove (&gsi, true); + } + else + split_block (bb, stmt); + } changed |= remove_fallthru_edge (bb->succs); |