+ commit 1e972a8a37c153ddc15e604592f84f939eb3c2ad
+ Author: Bruno Haible <bruno@clisp.org>
+ Date: Sat Jun 6 10:14:24 2020 +0200
+
+ calloc-gnu tests: Avoid a test failure with clang.
+
+ * tests/test-calloc-gnu.c (main): Mark the pointer variable as
+ 'volatile', to defeat compiler optimizations.