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-rw-r--r--test/fixedbugs/issue67141.go15
-rw-r--r--test/fixedbugs/issue67160.go32
-rw-r--r--test/fixedbugs/issue67255.go33
3 files changed, 80 insertions, 0 deletions
diff --git a/test/fixedbugs/issue67141.go b/test/fixedbugs/issue67141.go
new file mode 100644
index 0000000..0464d1f
--- /dev/null
+++ b/test/fixedbugs/issue67141.go
@@ -0,0 +1,15 @@
+// errorcheck -lang=go1.22
+
+//go:build go1.21
+
+// We need a line directive before the package clause,
+// but don't change file name or position so that the
+// error message appears at the right place.
+
+//line issue67141.go:10
+package p
+
+func _() {
+ for range 10 { // ERROR "cannot range over 10"
+ }
+}
diff --git a/test/fixedbugs/issue67160.go b/test/fixedbugs/issue67160.go
new file mode 100644
index 0000000..be45a61
--- /dev/null
+++ b/test/fixedbugs/issue67160.go
@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2024 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.
+
+// Test to make sure that we don't try using larger loads for
+// generated equality functions on architectures that can't do
+// unaligned loads.
+
+package main
+
+// T has a big field that wants to be compared with larger loads/stores.
+// T is "special" because of the unnamed field, so it needs a generated equality function.
+// T is an odd number of bytes in size and has alignment 1.
+type T struct {
+ src [8]byte
+ _ byte
+}
+
+// U contains 8 copies of T, each at a different %8 alignment.
+type U [8]T
+
+//go:noinline
+func f(x, y *U) bool {
+ return *x == *y
+}
+
+func main() {
+ var a U
+ _ = f(&a, &a)
+}
diff --git a/test/fixedbugs/issue67255.go b/test/fixedbugs/issue67255.go
new file mode 100644
index 0000000..7ca7a23
--- /dev/null
+++ b/test/fixedbugs/issue67255.go
@@ -0,0 +1,33 @@
+// run
+
+// Copyright 2024 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.
+
+package main
+
+var zero int
+
+var sink any
+
+func main() {
+ var objs [][]*byte
+ for i := 10; i < 200; i++ {
+ // The objects we're allocating here are pointer-ful. Some will
+ // max out their size class, which are the ones we want.
+ // We also allocate from small to large, so that the object which
+ // maxes out its size class is the last one allocated in that class.
+ // This allocation pattern leaves the next object in the class
+ // unallocated, which we need to reproduce the bug.
+ objs = append(objs, make([]*byte, i))
+ }
+ sink = objs // force heap allocation
+
+ // Bug will happen as soon as the write barrier turns on.
+ for range 10000 {
+ sink = make([]*byte, 1024)
+ for _, s := range objs {
+ s = append(s, make([]*byte, zero)...)
+ }
+ }
+}