Merge pull request #168 from farcaller/fix-coverage

Fix coverage reports

Author: farcaller

support/rake.rb

@@ -134,7 +134,7 @@ def make_binary(n, h)
 
 def rust_tests(n, h)
   h[:test] = true
-  h[:flags] = '-g'
+  h[:flags] = '-g -C relocation-model=static'
   h[:optimize] = '0'
   compile_rust n, h
   run_task = Rake::Task.define_task("run_#{n}".to_sym => h[:produce]) do |t|