dev-cpp/gtest: Fix test failure with sandbox

Bug: https://bugs.gentoo.org/629620
Package-Manager: Portage-2.3.6, Repoman-2.3.2

dev-cpp/gtest/files/gtest-1.8.0-increase-clone-stack-size.patch

@@ -0,0 +1,14 @@
+Bug: https://bugs.gentoo.org/629620
+Upstream PR: https://github.com/google/googletest/pull/1274
+
+--- a/googletest/src/gtest-death-test.cc
++++ b/googletest/src/gtest-death-test.cc
+@@ -1070,7 +1070,7 @@
+
+   if (!use_fork) {
+     static const bool stack_grows_down = StackGrowsDown();
+-    const size_t stack_size = getpagesize();
++    const size_t stack_size = getpagesize() * 10;
+     // MMAP_ANONYMOUS is not defined on Mac, so we use MAP_ANON instead.
+     void* const stack = mmap(NULL, stack_size, PROT_READ | PROT_WRITE,
+                              MAP_ANON | MAP_PRIVATE, -1, 0);

dev-cpp/gtest/gtest-1.8.0.ebuild

@@ -24,6 +24,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-9999-fix-py-tests.patch
 	"${FILESDIR}"/${PN}-9999-fix-gcc6-undefined-behavior.patch
 	"${FILESDIR}"/${PN}-1.8.0-multilib-strict.patch
+	"${FILESDIR}"/${PN}-1.8.0-increase-clone-stack-size.patch
 )
 
 S="${WORKDIR}"/googletest-release-${PV}

dev-cpp/gtest/gtest-9999.ebuild

@@ -29,6 +29,7 @@ RDEPEND="!dev-cpp/gmock"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-9999-fix-gcc6-undefined-behavior.patch
+	"${FILESDIR}"/${PN}-1.8.0-increase-clone-stack-size.patch
 )
 
 pkg_setup() {