repo: add ceph-18.2.0-fix-ecode-shec-test.patch

Fixes some undefined behavior in
src/test/erasure-code/TestErasureCodeShec_arguments.cc found while
when attempting to cast std::initializer_list to std::array.

Instead, use std::vector which has a constructor for
std::initializer_list<T>.

References: https://en.cppreference.com/w/cpp/container/array/to_array

1 files changed, 19 insertions, 0 deletions

diff --git a/ceph-18.2.0-fix-ecode-shec-test.patch b/ceph-18.2.0-fix-ecode-shec-test.patch
new file mode 100644
index 000000000000..24ea9b1af0d6
--- /dev/null
+++ b/ceph-18.2.0-fix-ecode-shec-test.patch
@@ -0,0 +1,19 @@
+diff --git a/src/test/erasure-code/TestErasureCodeShec_arguments.cc b/src/test/erasure-code/TestErasureCodeShec_arguments.cc
+index 075c6383eed..74403eaf6ed 100644
+--- a/src/test/erasure-code/TestErasureCodeShec_arguments.cc
++++ b/src/test/erasure-code/TestErasureCodeShec_arguments.cc
+@@ -86,12 +86,12 @@ void create_table_shec432() {
+           continue;
+         }
+         if (std::popcount(avails) == 4) {
+-	  auto a = to_array<std::initializer_list<int>>({
++	  std::vector<std::initializer_list<int>> a = {
+ 	      {0,1,2,3}, {0,1,2,4}, {0,1,2,6}, {0,1,3,4}, {0,1,3,6}, {0,1,4,6},
+ 	      {0,2,3,4}, {0,2,3,5}, {0,2,4,5}, {0,2,4,6}, {0,2,5,6}, {0,3,4,5},
+ 	      {0,3,4,6}, {0,3,5,6}, {0,4,5,6}, {1,2,3,4}, {1,2,3,5}, {1,2,4,5},
+ 	      {1,2,4,6}, {1,2,5,6}, {1,3,4,5}, {1,3,4,6}, {1,3,5,6}, {1,4,5,6},
+-	      {2,3,4,5}, {2,4,5,6}, {3,4,5,6}});
++	      {2,3,4,5}, {2,4,5,6}, {3,4,5,6}};
+           if (ranges::any_of(a, std::bind_front(cmp_equal<uint, int>, avails),
+ 			     getint)) {
+ 	    vec.push_back(avails);