From c5b21c3f4c17b0649155035d2f9aa97b2da8a813 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Fri, 30 Jul 2021 14:28:58 -0700 Subject: libgo: update to Go1.17rc2 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/341629 --- libgo/go/runtime/slice.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'libgo/go/runtime/slice.go') diff --git a/libgo/go/runtime/slice.go b/libgo/go/runtime/slice.go index d4c0e90..8654aba 100644 --- a/libgo/go/runtime/slice.go +++ b/libgo/go/runtime/slice.go @@ -152,6 +152,18 @@ func unsafeslice64(et *_type, ptr unsafe.Pointer, len64 int64) { unsafeslice(et, ptr, len) } +func unsafeslicecheckptr(et *_type, ptr unsafe.Pointer, len64 int64) { + unsafeslice64(et, ptr, len64) + + /* Commented out for gofrontend. + // Check that underlying array doesn't straddle multiple heap objects. + // unsafeslice64 has already checked for overflow. + if checkptrStraddles(ptr, uintptr(len64)*et.size) { + throw("checkptr: unsafe.Slice result straddles multiple allocations") + } + */ +} + func panicunsafeslicelen() { panic(errorString("unsafe.Slice: len out of range")) } -- cgit v1.1