diff --git a/templates/vsprojects/vs2013/build_and_run_tests.bat.template b/templates/vsprojects/vs2013/build_and_run_tests.bat.template
index 4a15e01c522225fa2a0b71be68a953feb97d74ed..d7ec0e8dd1f14192f7f94017f3717c05dbc25980 100644
--- a/templates/vsprojects/vs2013/build_and_run_tests.bat.template
+++ b/templates/vsprojects/vs2013/build_and_run_tests.bat.template
@@ -19,12 +19,12 @@ mkdir ${test_bin_dir}
 
 % for target in test_targets:
 echo Building test ${target.name}
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:${test_bin_dir}\ \
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:${test_bin_dir}\ \
 %for source in target.src:
 ..\..\${to_windows_path(source)} \
 %endfor
 
-link.exe /OUT:"${test_bin_dir}\${target.name}.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 \
+link.exe /DEBUG /OUT:"${test_bin_dir}\${target.name}.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 \
 %for dep in target.deps:
 Debug\${dep}.lib \
 %endfor
diff --git a/vsprojects/vs2013/build_and_run_tests.bat b/vsprojects/vs2013/build_and_run_tests.bat
index ac941ba9f282d445200179bf91ad87d50b5a3e2b..dc9e642cb72fb84f2cb92cad4e8c10589ff0cb4e 100644
--- a/vsprojects/vs2013/build_and_run_tests.bat
+++ b/vsprojects/vs2013/build_and_run_tests.bat
@@ -10,112 +10,112 @@ MSBuild.exe gpr_test_util.vcxproj /p:Configuration=Debug
 mkdir test_bin
 
 echo Building test gpr_cancellable_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\cancellable_test.c 
-link.exe /OUT:"test_bin\gpr_cancellable_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\cancellable_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\cancellable_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_cancellable_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\cancellable_test.obj 
 echo(
 echo Running test gpr_cancellable_test
 test_bin\gpr_cancellable_test.exe || echo TEST FAILED: gpr_cancellable_test && exit /b
 echo(
 
 echo Building test gpr_cmdline_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\cmdline_test.c 
-link.exe /OUT:"test_bin\gpr_cmdline_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\cmdline_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\cmdline_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_cmdline_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\cmdline_test.obj 
 echo(
 echo Running test gpr_cmdline_test
 test_bin\gpr_cmdline_test.exe || echo TEST FAILED: gpr_cmdline_test && exit /b
 echo(
 
 echo Building test gpr_env_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\env_test.c 
-link.exe /OUT:"test_bin\gpr_env_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\env_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\env_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_env_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\env_test.obj 
 echo(
 echo Running test gpr_env_test
 test_bin\gpr_env_test.exe || echo TEST FAILED: gpr_env_test && exit /b
 echo(
 
 echo Building test gpr_file_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\file_test.c 
-link.exe /OUT:"test_bin\gpr_file_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\file_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\file_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_file_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\file_test.obj 
 echo(
 echo Running test gpr_file_test
 test_bin\gpr_file_test.exe || echo TEST FAILED: gpr_file_test && exit /b
 echo(
 
 echo Building test gpr_histogram_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\histogram_test.c 
-link.exe /OUT:"test_bin\gpr_histogram_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\histogram_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\histogram_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_histogram_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\histogram_test.obj 
 echo(
 echo Running test gpr_histogram_test
 test_bin\gpr_histogram_test.exe || echo TEST FAILED: gpr_histogram_test && exit /b
 echo(
 
 echo Building test gpr_host_port_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\host_port_test.c 
-link.exe /OUT:"test_bin\gpr_host_port_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\host_port_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\host_port_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_host_port_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\host_port_test.obj 
 echo(
 echo Running test gpr_host_port_test
 test_bin\gpr_host_port_test.exe || echo TEST FAILED: gpr_host_port_test && exit /b
 echo(
 
 echo Building test gpr_log_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\log_test.c 
-link.exe /OUT:"test_bin\gpr_log_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\log_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\log_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_log_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\log_test.obj 
 echo(
 echo Running test gpr_log_test
 test_bin\gpr_log_test.exe || echo TEST FAILED: gpr_log_test && exit /b
 echo(
 
 echo Building test gpr_slice_buffer_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\slice_buffer_test.c 
-link.exe /OUT:"test_bin\gpr_slice_buffer_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\slice_buffer_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\slice_buffer_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_slice_buffer_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\slice_buffer_test.obj 
 echo(
 echo Running test gpr_slice_buffer_test
 test_bin\gpr_slice_buffer_test.exe || echo TEST FAILED: gpr_slice_buffer_test && exit /b
 echo(
 
 echo Building test gpr_slice_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\slice_test.c 
-link.exe /OUT:"test_bin\gpr_slice_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\slice_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\slice_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_slice_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\slice_test.obj 
 echo(
 echo Running test gpr_slice_test
 test_bin\gpr_slice_test.exe || echo TEST FAILED: gpr_slice_test && exit /b
 echo(
 
 echo Building test gpr_string_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\string_test.c 
-link.exe /OUT:"test_bin\gpr_string_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\string_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\string_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_string_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\string_test.obj 
 echo(
 echo Running test gpr_string_test
 test_bin\gpr_string_test.exe || echo TEST FAILED: gpr_string_test && exit /b
 echo(
 
 echo Building test gpr_sync_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\sync_test.c 
-link.exe /OUT:"test_bin\gpr_sync_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\sync_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\sync_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_sync_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\sync_test.obj 
 echo(
 echo Running test gpr_sync_test
 test_bin\gpr_sync_test.exe || echo TEST FAILED: gpr_sync_test && exit /b
 echo(
 
 echo Building test gpr_thd_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\thd_test.c 
-link.exe /OUT:"test_bin\gpr_thd_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\thd_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\thd_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_thd_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\thd_test.obj 
 echo(
 echo Running test gpr_thd_test
 test_bin\gpr_thd_test.exe || echo TEST FAILED: gpr_thd_test && exit /b
 echo(
 
 echo Building test gpr_time_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\time_test.c 
-link.exe /OUT:"test_bin\gpr_time_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\time_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\time_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_time_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\time_test.obj 
 echo(
 echo Running test gpr_time_test
 test_bin\gpr_time_test.exe || echo TEST FAILED: gpr_time_test && exit /b
 echo(
 
 echo Building test gpr_useful_test
-cl.exe /c /I..\.. /I..\..\include /nologo /ZI /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\useful_test.c 
-link.exe /OUT:"test_bin\gpr_useful_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\useful_test.obj 
+cl.exe /c /I..\.. /I..\..\include /nologo /Z7 /W3 /WX- /sdl /D WIN32 /D _LIB /D _USE_32BIT_TIME_T /D _UNICODE /D UNICODE /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Gd /TC /analyze- /Fo:test_bin\ ..\..\test\core\support\useful_test.c 
+link.exe /DEBUG /OUT:"test_bin\gpr_useful_test.exe" /INCREMENTAL /NOLOGO /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /MACHINE:X86 Debug\gpr_test_util.lib Debug\gpr.lib test_bin\useful_test.obj 
 echo(
 echo Running test gpr_useful_test
 test_bin\gpr_useful_test.exe || echo TEST FAILED: gpr_useful_test && exit /b