diff options
Diffstat (limited to 'test/fixedbugs/issue36723.go')
-rw-r--r-- | test/fixedbugs/issue36723.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/fixedbugs/issue36723.go b/test/fixedbugs/issue36723.go new file mode 100644 index 0000000..e748d9a --- /dev/null +++ b/test/fixedbugs/issue36723.go @@ -0,0 +1,26 @@ +// compile -d=ssa/check/on + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 36723: fail to compile on PPC64 when SSA check is on. + +package p + +import "unsafe" + +type T struct { + a, b, c, d uint8 + x [10]int32 +} + +func F(p *T, i uintptr) int32 { + // load p.x[i] using unsafe, derived from runtime.pcdatastart + _ = *p + return *(*int32)(add(unsafe.Pointer(&p.d), unsafe.Sizeof(p.d)+i*unsafe.Sizeof(p.x[0]))) +} + +func add(p unsafe.Pointer, x uintptr) unsafe.Pointer { + return unsafe.Pointer(uintptr(p) + x) +} |