lcov: Exclude unreachable-by-design lines

src/Makefile.am

@@ -107,7 +107,7 @@ QUIET = $(QUIET_@AM_V@)
 coverage/lcov.info: gcov
 if HAVE_LCOV
 	$(AM_V_at)@mkdir $(builddir)/coverage
-	$(AM_V_GEN) $(LCOV) $(QUIET) -c -d . -o  $(builddir)/coverage/lcov.info
+	$(AM_V_GEN) $(LCOV) $(QUIET) --config-file $(srcdir)/lcovrc -c -d . -o  $(builddir)/coverage/lcov.info
 else
 	@echo "================================================="
 	@echo "You need lcov installed to generate coverage data"

src/lcovrc

+lcov_excl_line = default:|INCOMPL\(\)|WRONG

src/vdp_pesi.c

@@ -1120,6 +1120,7 @@ const struct vdp VDP_pesi = {
  * transport interface
  */
 
+//LCOV_EXCL_START
 static int v_matchproto_(vtr_minimal_response_f)
 vped_minimal_response(struct req *req, uint16_t status)
 {
@@ -1127,6 +1128,7 @@ vped_minimal_response(struct req *req, uint16_t status)
 	(void)status;
 	WRONG("esi:includes should not try minimal responses");
 }
+//LCOV_EXCL_STOP
 
 static void v_matchproto_(vtr_reembark_f)
 vped_reembark(struct worker *wrk, struct req *req)