Accepting request 495573 from home:rguenther:branches:X11:common:Factory

- Add icu-avoid-x87-excess-precision.diff to avoid
  FixedPrecision::initVisibleDigits failure on i586 with GCC 7.
  (bnc#1030253)

OBS-URL: https://build.opensuse.org/request/show/495573
OBS-URL: https://build.opensuse.org/package/show/X11:common:Factory/icu?expand=0&rev=76

icu-avoid-x87-excess-precision.diff

@@ -0,0 +1,11 @@
+--- source/i18n/precision.cpp.orig	2017-05-17 11:05:56.517416029 +0000
++++ source/i18n/precision.cpp	2017-05-17 11:05:22.700828110 +0000
+@@ -227,7 +227,7 @@
+     }
+     // Try to find n such that value * 10^n is an integer
+     int32_t n = -1;
+-    double scaled;
++    volatile double scaled; // make sure scaled is in memory to avoid excess precision with x87 math
+     for (int32_t i = 0; i < UPRV_LENGTHOF(gPower10); ++i) {
+         scaled = value * gPower10[i];
+         if (scaled > MAX_INT64_IN_DOUBLE || scaled < -MAX_INT64_IN_DOUBLE) {

icu.changes

@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed May 17 11:14:47 UTC 2017 - rguenther@suse.com
+
+- Add icu-avoid-x87-excess-precision.diff to avoid
+  FixedPrecision::initVisibleDigits failure on i586 with GCC 7.
+  (bnc#1030253)
+
 -------------------------------------------------------------------
 Thu Apr 27 17:33:46 UTC 2017 - jengelh@inai.de
 

icu.spec

@@ -37,6 +37,7 @@ Source100:      baselibs.conf
 Patch3:         icu-versioning.diff
 Patch4:         icu-fix-install-mode-files.diff
 Patch6:         icu-error-reporting.diff
+Patch7:         icu-avoid-x87-excess-precision.diff
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  pkg-config
@@ -157,6 +158,7 @@ unzip %SOURCE2
 cd ..
 
 %patch -P 3 -P 4 -P 6 -p1
+%patch7
 
 %build
 cd source