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Diffstat (limited to 'test/const2.go')
-rw-r--r-- | test/const2.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/const2.go b/test/const2.go new file mode 100644 index 0000000..048d0cb --- /dev/null +++ b/test/const2.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2009 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. + +// Verify that large integer constant expressions cause overflow. +// Does not compile. + +package main + +const ( + A int = 1 + B byte; // ERROR "type without expr|expected .=." +) + +const LargeA = 1000000000000000000 +const LargeB = LargeA * LargeA * LargeA +const LargeC = LargeB * LargeB * LargeB // GC_ERROR "constant multiplication overflow" + +const AlsoLargeA = LargeA << 400 << 400 >> 400 >> 400 // GC_ERROR "constant shift overflow" |