From c9680037ccfcf5f7e989dab5a6de8912b39efe2f Mon Sep 17 00:00:00 2001
From: Shane Carr <shane@unicode.org>
Date: Sat, 28 Apr 2018 07:38:41 +0000
Subject: [PATCH] ICU-12572 Fixing signed overflow in decimalquantity.

X-SVN-Rev: 41293
---
 icu4c/source/i18n/number_decimalquantity.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/icu4c/source/i18n/number_decimalquantity.cpp b/icu4c/source/i18n/number_decimalquantity.cpp
index 599d35d2701..18f11c4a328 100644
--- a/icu4c/source/i18n/number_decimalquantity.cpp
+++ b/icu4c/source/i18n/number_decimalquantity.cpp
@@ -328,7 +328,10 @@ bool DecimalQuantity::isZero() const {
 DecimalQuantity &DecimalQuantity::setToInt(int32_t n) {
     setBcdToZero();
     flags = 0;
-    if (n < 0) {
+    if (n == INT32_MIN) {
+        flags |= NEGATIVE_FLAG;
+        // leave as INT32_MIN; handled below in _setToInt()
+    } else if (n < 0) {
         flags |= NEGATIVE_FLAG;
         n = -n;
     }