community/grumpy: fix 32-bit overflows

1 files changed, 30 insertions, 0 deletions

diff --git a/community/grumpy/4f3cc3ed446170a161cf8ecb644a740ac233b005.patch b/community/grumpy/4f3cc3ed446170a161cf8ecb644a740ac233b005.patch
new file mode 100644
index 00000000..ffe0f2ed
--- /dev/null
+++ b/community/grumpy/4f3cc3ed446170a161cf8ecb644a740ac233b005.patch
@@ -0,0 +1,30 @@
+From 4f3cc3ed446170a161cf8ecb644a740ac233b005 Mon Sep 17 00:00:00 2001
+From: Alan Justino <alan.justino@yahoo.com.br>
+Date: Wed, 7 Mar 2018 19:30:45 -0300
+Subject: [PATCH] Fix int underflow on 32bit CPUs
+
+---
+ tools/pkgc.go | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/tools/pkgc.go b/tools/pkgc.go
+index e04017c7..93a6fe7d 100644
+--- a/tools/pkgc.go
++++ b/tools/pkgc.go
+@@ -75,6 +75,16 @@ func getConst(name string, v constant.Value) string {
+ 			} else {
+ 				format = "float64(%s)"
+ 			}
++		} else {
++			if i, exact := constant.Int64Val(v); exact {
++				if i > math.MinInt8 {
++					format = "int(%s)"
++				} else if i > math.MinInt32 {
++					format = "int32(%s)"
++				} else {
++					format = "int64(%s)"
++				}
++			}
+ 		}
+ 	case constant.Float:
+ 		format = "float64(%s)"