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-rw-r--r--test/fixedbugs/issue18808.go63
1 files changed, 63 insertions, 0 deletions
diff --git a/test/fixedbugs/issue18808.go b/test/fixedbugs/issue18808.go
new file mode 100644
index 0000000..c98386e
--- /dev/null
+++ b/test/fixedbugs/issue18808.go
@@ -0,0 +1,63 @@
+// run
+
+// Copyright 2017 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
+
+const lim = 0x80000000
+
+//go:noinline
+func eq(x uint32) {
+ if x == lim {
+ return
+ }
+ panic("x == lim returned false")
+}
+
+//go:noinline
+func neq(x uint32) {
+ if x != lim {
+ panic("x != lim returned true")
+ }
+}
+
+//go:noinline
+func gt(x uint32) {
+ if x > lim {
+ return
+ }
+ panic("x > lim returned false")
+}
+
+//go:noinline
+func gte(x uint32) {
+ if x >= lim {
+ return
+ }
+ panic("x >= lim returned false")
+}
+
+//go:noinline
+func lt(x uint32) {
+ if x < lim {
+ panic("x < lim returned true")
+ }
+}
+
+//go:noinline
+func lte(x uint32) {
+ if x <= lim {
+ panic("x <= lim returned true")
+ }
+}
+
+func main() {
+ eq(lim)
+ neq(lim)
+ gt(lim+1)
+ gte(lim+1)
+ lt(lim+1)
+ lte(lim+1)
+}