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| author | Marek Polacek <polacek@redhat.com> | 2014-11-14 11:22:12 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2014-11-14 11:22:12 +0000 |
| commit | 4088b790cc40b0fbcf12bafd1e3ef822c976a702 (patch) | |
| tree | f5208d057eaf4ec81d4adff4f52bce7cd091e6de /gcc/tree-ssa-ccp.c | |
| parent | ba067536a7c03b18bb8dcb5bdf3126d2997dafda (diff) | |
| download | gcc-4088b790cc40b0fbcf12bafd1e3ef822c976a702.zip gcc-4088b790cc40b0fbcf12bafd1e3ef822c976a702.tar.gz gcc-4088b790cc40b0fbcf12bafd1e3ef822c976a702.tar.bz2 | |
re PR sanitizer/63839 (ICE: tree check: expected ssa_name, have var_decl in simplify_builtin_call, at tree-ssa-forwprop.c:1441 with -fsanitize=unreachable)
PR sanitizer/63839
* asan.c (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST,
ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST): Define.
* builtin-attrs.def (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST):
Define.
* builtins.c (fold_builtin_0): Don't include ubsan.h. Don't
instrument BUILT_IN_UNREACHABLE here.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_BUILTIN_UNREACHABLE): Make
const.
* sanopt.c (pass_sanopt::execute): Instrument BUILT_IN_UNREACHABLE.
* tree-ssa-ccp.c (optimize_unreachable): Bail out if
SANITIZE_UNREACHABLE.
* ubsan.c (ubsan_instrument_unreachable): Rewrite for GIMPLE.
* ubsan.h (ubsan_instrument_unreachable): Adjust declaration.
testsuite/
* c-c++-common/ubsan/pr63839.c: New test.
* c-c++-common/ubsan/unreachable-2.c: New test.
From-SVN: r217553
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 52d8503..31ca0e1 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -2568,6 +2568,9 @@ optimize_unreachable (gimple_stmt_iterator i) edge e; bool ret; + if (flag_sanitize & SANITIZE_UNREACHABLE) + return false; + for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) { stmt = gsi_stmt (gsi); |