Add clang build in jenkins and record issues for clang

I can't seem to get gcc to do what I want for this control flow warning
thingy

Jenkinsfile

@@ -36,6 +36,18 @@ pipeline {
                 sh 'pre-commit run --all-files --show-diff-on-failure'
             }
         }
+        stage('Clang') {
+            agent {
+                dockerfile {
+                    args '-v /home/jenkins/ccache:/ccache'
+                    reuseNode true
+                }
+            }
+            steps {
+                CleanBuildAndTest("")
+                recordIssues(tools: [clang()])
+            }
+        }
         stage('Release [gcc]') {
             agent {
                 dockerfile {
@@ -45,7 +57,6 @@ pipeline {
             }
             steps {
                 CleanBuildAndTest("-DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release")
-                recordIssues(tools: [gcc()])
                 sh '''
                 cd build
                 cpack -G DEB