Index: Makefile.in
==================================================================
--- Makefile.in
+++ Makefile.in
@@ -1223,10 +1223,11 @@
 	rm -f shell.c sqlite3ext.h
 	rm -f sqlite3_analyzer$(TEXE) sqlite3_analyzer.c
 	rm -f sqlite-*-output.vsix
 	rm -f mptester mptester.exe
 	rm -f rbu rbu.exe
+	rm -f srcck1 srcck1.exe
 	rm -f fuzzershell fuzzershell.exe
 	rm -f fuzzcheck fuzzcheck.exe
 	rm -f sqldiff sqldiff.exe
 	rm -f fts5.* fts5parse.*
 

Index: Makefile.msc
==================================================================
--- Makefile.msc
+++ Makefile.msc
@@ -2014,15 +2014,15 @@
 	del /Q tclsqlite3.exe 2>NUL
 	del /Q testloadext.dll 2>NUL
 	del /Q testfixture.exe test.db 2>NUL
 	del /Q LogEst.exe fts3view.exe rollback-test.exe showdb.exe 2>NUL
 	del /Q showjournal.exe showstat4.exe showwal.exe speedtest1.exe 2>NUL
-	del /Q mptester.exe wordcount.exe rbu.exe 2>NUL
+	del /Q mptester.exe wordcount.exe rbu.exe srcck1.exe 2>NUL
 	del /Q $(SQLITE3EXE) $(SQLITE3DLL) sqlite3.def 2>NUL
 	del /Q sqlite3.c sqlite3-*.c 2>NUL
 	del /Q sqlite3rc.h 2>NUL
 	del /Q shell.c sqlite3ext.h 2>NUL
 	del /Q sqlite3_analyzer.exe sqlite3_analyzer.c 2>NUL
 	del /Q sqlite-*-output.vsix 2>NUL
 	del /Q fuzzershell.exe fuzzcheck.exe sqldiff.exe 2>NUL
 	del /Q fts5.* fts5parse.* 2>NUL
 # <</mark>>

Index: main.mk
==================================================================
--- main.mk
+++ main.mk
@@ -897,10 +897,11 @@
 	rm -f showstat4 showstat4.exe
 	rm -f showwal showwal.exe
 	rm -f speedtest1 speedtest1.exe
 	rm -f wordcount wordcount.exe
 	rm -f rbu rbu.exe
+	rm -f srcck1 srcck1.exe
 	rm -f sqlite3.c sqlite3-*.c fts?amal.c tclsqlite3.c
 	rm -f sqlite3rc.h
 	rm -f shell.c sqlite3ext.h
 	rm -f sqlite3_analyzer sqlite3_analyzer.exe sqlite3_analyzer.c
 	rm -f sqlite-*-output.vsix

Index: tool/srcck1.c
==================================================================
--- tool/srcck1.c
+++ tool/srcck1.c
@@ -122,11 +122,11 @@
       if( strncmp(&z[i],"assert(",7)==0
        || strncmp(&z[i],"ALWAYS(",7)==0
        || strncmp(&z[i],"NEVER(",6)==0
        || strncmp(&z[i],"testcase(",9)==0
       ){
-        unsigned int j, n;
+        unsigned int n;
         const char *z2 = &z[i+5];
         while( z2[0]!='(' ){ z2++; }
         z2++;
         n = findCloseParen(z2);
         if( hasSideEffect(z2, n) ){