fix

Author: tomba

.github/workflows/c-cpp.yml

@@ -35,6 +35,12 @@ jobs:
           cxx: "g++-13",
           deps: "gcc-13 g++-13"
         }
+        - {
+          os: ubuntu-24.04,
+          cc: "clang-15",
+          cxx: "clang++-15",
+          deps: "clang-15"
+        }
         - {
           os: ubuntu-24.04,
           cc: "clang-16",