ASN.1 null writer check should not bypass reading from TLVReader

[ksperling-apple]

... since it is just intended to be an optimization.

[github-actions]

PR #31088: Size comparison from 5786a35 to 03d60c8

Decreases (1 build for efr32)

platform	target	config	section	5786a35	03d60c8	change	% change
efr32	lock-app	BRD4161A+wf200	(read/write)	1114832	1114824	-8	-0.0
			.text	923284	923276	-8	-0.0

Full report (72 builds for bl602, bl702, bl702l, cc13x4_26x4, cc32xx, cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, psoc6, qpg, telink)

platform	target	config	section	5786a35	03d60c8	change	% change
bl602	lighting-app	bl602	(read/write)	1417794	1417794	0	0.0
			.bss	85160	85160	0	0.0
			.data	9416	9416	0	0.0
			.rodata	156912	156912	0	0.0
			.text	1085664	1085664	0	0.0
		bl602+mfd	(read/write)	1432522	1432522	0	0.0
			.bss	85328	85328	0	0.0
			.data	9384	9384	0	0.0
			.rodata	155872	155872	0	0.0
			.text	1101288	1101288	0	0.0
		bl602+rpc	(read/write)	1465578	1465578	0	0.0
			.bss	93192	93192	0	0.0
			.data	9784	9784	0	0.0
			.rodata	164536	164536	0	0.0
			.text	1117408	1117408	0	0.0
bl702	lighting-app	bl702	(read only)	3478	3478	0	0.0
			(read/write)	1182811	1182811	0	0.0
			.bss	11197	11197	0	0.0
			.data	3584	3584	0	0.0
			.rodata	106288	106288	0	0.0
			.text	955366	955366	0	0.0
		bl702+mfd	(read only)	3478	3478	0	0.0
			(read/write)	1193943	1193943	0	0.0
			.bss	11373	11373	0	0.0
			.data	3568	3568	0	0.0
			.rodata	105228	105228	0	0.0
			.text	967430	967430	0	0.0
		bl702+rpc	(read only)	3478	3478	0	0.0
			(read/write)	1274823	1274823	0	0.0
			.bss	19677	19677	0	0.0
			.data	4144	4144	0	0.0
			.rodata	121708	121708	0	0.0
			.text	1030428	1030428	0	0.0
		bl706-eth	(read/write)	1002437	1002437	0	0.0
			.bss	23772	23772	0	0.0
			.data	3160	3160	0	0.0
			.rodata	99620	99620	0	0.0
			.text	748262	748262	0	0.0
		bl706-wifi	(read/write)	1240574	1240574	0	0.0
			.bss	10641	10641	0	0.0
			.data	3600	3600	0	0.0
			.rodata	120600	120600	0	0.0
			.text	975558	975558	0	0.0
bl702l	lighting-app	bl702l	(read only)	512	512	0	0.0
			(read/write)	1152516	1152516	0	0.0
			.bss	16392	16392	0	0.0
			.data	4952	4952	0	0.0
			.rodata	100292	100292	0	0.0
			.text	948492	948492	0	0.0
		bl702l+mfd	(read only)	512	512	0	0.0
			(read/write)	1163968	1163968	0	0.0
			.bss	16568	16568	0	0.0
			.data	4928	4928	0	0.0
			.rodata	99232	99232	0	0.0
			.text	960868	960868	0	0.0
cc13x4_26x4	lighting-app	LP_EM_CC1354P10_6	(read only)	771688	771688	0	0.0
			(read/write)	168100	168100	0	0.0
			.bss	90436	90436	0	0.0
			.data	3460	3460	0	0.0
			.rodata	89536	89536	0	0.0
			.text	681884	681884	0	0.0
	lock-ftd	LP_EM_CC1354P10_6	(read only)	787792	787792	0	0.0
			(read/write)	178328	178328	0	0.0
			.bss	100612	100612	0	0.0
			.data	3488	3488	0	0.0
			.rodata	83792	83792	0	0.0
			.text	703736	703736	0	0.0
	lock-mtd	LP_EM_CC1354P10_6	(read only)	776016	776016	0	0.0
			(read/write)	172784	172784	0	0.0
			.bss	95068	95068	0	0.0
			.data	3488	3488	0	0.0
			.rodata	110392	110392	0	0.0
			.text	665360	665360	0	0.0
	pump-app	LP_EM_CC1354P10_6	(read only)	728632	728632	0	0.0
			(read/write)	167096	167096	0	0.0
			.bss	89208	89208	0	0.0
			.data	3448	3448	0	0.0
			.rodata	85112	85112	0	0.0
			.text	643252	643252	0	0.0
	pump-controller-app	LP_EM_CC1354P10_6	(read only)	714168	714168	0	0.0
			(read/write)	167276	167276	0	0.0
			.bss	89392	89392	0	0.0
			.data	3444	3444	0	0.0
			.rodata	80944	80944	0	0.0
			.text	632956	632956	0	0.0
cc32xx	air-purifier	CC3235SF_LAUNCHXL	(read only)	566994	566994	0	0.0
			(read/write)	207652	207652	0	0.0
			.bss	201116	201116	0	0.0
			.data	1412	1412	0	0.0
			.rodata	83938	83938	0	0.0
			.text	480932	480932	0	0.0
	lock	CC3235SF_LAUNCHXL	(read only)	620322	620322	0	0.0
			(read/write)	208048	208048	0	0.0
			.bss	201480	201480	0	0.0
			.data	1448	1448	0	0.0
			.rodata	105810	105810	0	0.0
			.text	512388	512388	0	0.0
cyw30739	light	cyw930739m2evb_01	(read/write)	561007	561007	0	0.0
			.app_xip_area	451257	451257	0	0.0
			.bss	64664	64664	0	0.0
			.data	660	660	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	lock	cyw930739m2evb_01	(read/write)	543231	543231	0	0.0
			.app_xip_area	428745	428745	0	0.0
			.bss	69360	69360	0	0.0
			.data	700	700	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	ota-requestor	cyw930739m2evb_01	(read/write)	561967	561967	0	0.0
			.app_xip_area	453673	453673	0	0.0
			.bss	63280	63280	0	0.0
			.data	588	588	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	switch	cyw930739m2evb_01	(read/write)	557399	557399	0	0.0
			.app_xip_area	445881	445881	0	0.0
			.bss	66400	66400	0	0.0
			.data	696	696	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A+rs9116	(read/write)	1017020	1017020	0	0.0
			.bss	172600	172600	0	0.0
			.data	2688	2688	0	0.0
			.text	841712	841712	0	0.0
		BRD4187C	(read/write)	1100956	1100956	0	0.0
			.bss	196204	196204	0	0.0
			.data	3296	3296	0	0.0
			.text	901436	901436	0	0.0
	lock-app	BRD4161A+wf200	(read/write)	1114832	1114824	-8	-0.0
			.bss	188816	188816	0	0.0
			.data	2712	2712	0	0.0
			.text	923284	923276	-8	-0.0
	window-app	BRD4187C	(read/write)	1135744	1135744	0	0.0
			.bss	168236	168236	0	0.0
			.data	3168	3168	0	0.0
			.text	964320	964320	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	1137734	1137734	0	0.0
			(read/write)	1671524	1671524	0	0.0
			.dram0.bss	72872	72872	0	0.0
			.dram0.data	12988	12988	0	0.0
			.flash.rodata	241792	241792	0	0.0
			.flash.text	1137734	1137734	0	0.0
			.iram0.text	75694	75694	0	0.0
		m5stack	(read only)	1182731	1182731	0	0.0
			(read/write)	520716	520716	0	0.0
			.dram0.bss	79520	79520	0	0.0
			.dram0.data	34004	34004	0	0.0
			.flash.rodata	272828	272828	0	0.0
			.flash.text	1177347	1177347	0	0.0
			.iram0.text	123907	123907	0	0.0
k32w	contact	k32w0+release	(read only)	605192	605192	0	0.0
			(read/write)	81896	81896	0	0.0
			.bss	69744	69744	0	0.0
			.data	2168	2168	0	0.0
			.text	604656	604656	0	0.0
		k32w1+release	(read only)	1024	1024	0	0.0
			(read/write)	690656	690656	0	0.0
			.bss	67600	67600	0	0.0
			.data	2716	2716	0	0.0
			.text	576864	576864	0	0.0
	light	k32w0+release	(read only)	594880	594880	0	0.0
			(read/write)	79112	79112	0	0.0
			.bss	67008	67008	0	0.0
			.data	2120	2120	0	0.0
			.text	594344	594344	0	0.0
		k32w1+release	(read only)	1024	1024	0	0.0
			(read/write)	782468	782468	0	0.0
			.bss	77276	77276	0	0.0
			.data	1928	1928	0	0.0
			.text	659808	659808	0	0.0
	lock	k32w0+release	(read only)	576296	576296	0	0.0
			(read/write)	79376	79376	0	0.0
			.bss	67296	67296	0	0.0
			.data	2096	2096	0	0.0
			.text	575760	575760	0	0.0
linux	air-purifier-app	debug	(read only)	2525829	2525829	0	0.0
			(read/write)	127208	127208	0	0.0
			.bss	46944	46944	0	0.0
			.data	1472	1472	0	0.0
			.data.rel.ro	72824	72824	0	0.0
			.dynamic	608	608	0	0.0
			.got	4552	4552	0	0.0
			.init	27	27	0	0.0
			.init_array	800	800	0	0.0
			.rodata	179240	179240	0	0.0
			.text	2171285	2171285	0	0.0
	all-clusters-app	debug	(read only)	5413377	5413377	0	0.0
			(read/write)	455080	455080	0	0.0
			.bss	131632	131632	0	0.0
			.data	3840	3840	0	0.0
			.data.rel.ro	312360	312360	0	0.0
			.dynamic	624	624	0	0.0
			.got	5336	5336	0	0.0
			.init	27	27	0	0.0
			.init_array	1264	1264	0	0.0
			.rodata	312028	312028	0	0.0
			.text	4691731	4691731	0	0.0
	all-clusters-minimal-app	debug	(read only)	4952889	4952889	0	0.0
			(read/write)	234688	234688	0	0.0
			.bss	127856	127856	0	0.0
			.data	3776	3776	0	0.0
			.data.rel.ro	95960	95960	0	0.0
			.dynamic	624	624	0	0.0
			.got	5296	5296	0	0.0
			.init	27	27	0	0.0
			.init_array	1160	1160	0	0.0
			.rodata	272749	272749	0	0.0
			.text	4447779	4447779	0	0.0
	bridge-app	debug	(read only)	4416625	4416625	0	0.0
			(read/write)	215928	215928	0	0.0
			.bss	119224	119224	0	0.0
			.data	4704	4704	0	0.0
			.data.rel.ro	85280	85280	0	0.0
			.dynamic	624	624	0	0.0
			.got	5264	5264	0	0.0
			.init	27	27	0	0.0
			.init_array	824	824	0	0.0
			.rodata	219061	219061	0	0.0
			.text	3979091	3979091	0	0.0
	chip-tool	debug	(read only)	11686985	11686985	0	0.0
			(read/write)	504048	504048	0	0.0
			.bss	94200	94200	0	0.0
			.data	4994	4994	0	0.0
			.data.rel.ro	397616	397616	0	0.0
			.dynamic	624	624	0	0.0
			.got	5784	5784	0	0.0
			.init	27	27	0	0.0
			.init_array	784	784	0	0.0
			.rodata	424585	424585	0	0.0
			.text	10572515	10572515	0	0.0
	chip-tool-ipv6only	arm64	(read only)	11414256	11414256	0	0.0
			(read/write)	572440	572440	0	0.0
			.bss	103448	103448	0	0.0
			.data	4288	4288	0	0.0
			.data.rel.ro	436456	436456	0	0.0
			.dynamic	512	512	0	0.0
			.got	19816	19816	0	0.0
			.init	24	24	0	0.0
			.init_array	248	248	0	0.0
			.rodata	345048	345048	0	0.0
			.text	10201256	10201256	0	0.0
	lighting-app	debug+rpc+ui	(read only)	5302441	5302441	0	0.0
			(read/write)	225000	225000	0	0.0
			.bss	119360	119360	0	0.0
			.data	4416	4416	0	0.0
			.data.rel.ro	93696	93696	0	0.0
			.dynamic	672	672	0	0.0
			.got	5880	5880	0	0.0
			.init	27	27	0	0.0
			.init_array	960	960	0	0.0
			.rodata	340276	340276	0	0.0
			.text	4717475	4717475	0	0.0
	lock-app	debug	(read only)	4501649	4501649	0	0.0
			(read/write)	203648	203648	0	0.0
			.bss	113760	113760	0	0.0
			.data	3648	3648	0	0.0
			.data.rel.ro	79512	79512	0	0.0
			.dynamic	624	624	0	0.0
			.got	5216	5216	0	0.0
			.init	27	27	0	0.0
			.init_array	856	856	0	0.0
			.rodata	246901	246901	0	0.0
			.text	4044819	4044819	0	0.0
	ota-provider-app	debug	(read only)	4165817	4165817	0	0.0
			(read/write)	192728	192728	0	0.0
			.bss	113632	113632	0	0.0
			.data	3904	3904	0	0.0
			.data.rel.ro	69296	69296	0	0.0
			.dynamic	624	624	0	0.0
			.got	4528	4528	0	0.0
			.init	27	27	0	0.0
			.init_array	720	720	0	0.0
			.rodata	201205	201205	0	0.0
			.text	3772835	3772835	0	0.0
	ota-requestor-app	debug	(read only)	4255305	4255305	0	0.0
			(read/write)	197008	197008	0	0.0
			.bss	114656	114656	0	0.0
			.data	4176	4176	0	0.0
			.data.rel.ro	72288	72288	0	0.0
			.dynamic	624	624	0	0.0
			.got	4464	4464	0	0.0
			.init	27	27	0	0.0
			.init_array	776	776	0	0.0
			.rodata	205045	205045	0	0.0
			.text	3854083	3854083	0	0.0
	shell	debug	(read only)	2788217	2788217	0	0.0
			(read/write)	152272	152272	0	0.0
			.bss	62312	62312	0	0.0
			.data	768	768	0	0.0
			.data.rel.ro	83400	83400	0	0.0
			.dynamic	592	592	0	0.0
			.got	4088	4088	0	0.0
			.init	27	27	0	0.0
			.init_array	1088	1088	0	0.0
			.rodata	181824	181824	0	0.0
			.text	2435474	2435474	0	0.0
	thermostat-no-ble	arm64	(read only)	4405248	4405248	0	0.0
			(read/write)	245216	245216	0	0.0
			.bss	122232	122232	0	0.0
			.data	2784	2784	0	0.0
			.data.rel.ro	102352	102352	0	0.0
			.dynamic	512	512	0	0.0
			.got	12008	12008	0	0.0
			.init	24	24	0	0.0
			.init_array	424	424	0	0.0
			.rodata	162236	162236	0	0.0
			.text	3902712	3902712	0	0.0
	tv-app	debug	(read only)	5385993	5385993	0	0.0
			(read/write)	349120	349120	0	0.0
			.bss	244544	244544	0	0.0
			.data	4992	4992	0	0.0
			.data.rel.ro	92280	92280	0	0.0
			.dynamic	624	624	0	0.0
			.got	5512	5512	0	0.0
			.init	27	27	0	0.0
			.init_array	1144	1144	0	0.0
			.rodata	272885	272885	0	0.0
			.text	4875267	4875267	0	0.0
	tv-casting-app	debug	(read only)	9566393	9566393	0	0.0
			(read/write)	338368	338368	0	0.0
			.bss	156352	156352	0	0.0
			.data	2464	2464	0	0.0
			.data.rel.ro	172696	172696	0	0.0
			.dynamic	624	624	0	0.0
			.got	5064	5064	0	0.0
			.init	27	27	0	0.0
			.init_array	1144	1144	0	0.0
			.rodata	362760	362760	0	0.0
			.text	8739779	8739779	0	0.0
mbed	lock-app-release	cy8cproto_062_4343w	(read only)	6224	6224	0	0.0
			(read/write)	2525992	2525992	0	0.0
			.bss	220216	220216	0	0.0
			.data	5144	5144	0	0.0
			.text	1488676	1488676	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1067684	1067684	0	0.0
			bss	129393	129393	0	0.0
			rodata	105396	105396	0	0.0
			text	785324	785324	0	0.0
		nrf7002dk_nrf5340_cpuapp	(read only)	4	4	0	0.0
			(read/write)	1193776	1193776	0	0.0
			bss	121603	121603	0	0.0
			rodata	139156	139156	0	0.0
			text	782692	782692	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1046696	1046696	0	0.0
			bss	129348	129348	0	0.0
			rodata	99448	99448	0	0.0
			text	770272	770272	0	0.0
psoc6	all-clusters	cy8ckit_062s2_43012	(read only)	835864	835864	0	0.0
			(read/write)	1750980	1750980	0	0.0
			.bss	195004	195004	0	0.0
			.data	2472	2472	0	0.0
			.text	1545116	1545116	0	0.0
	all-clusters-minimal	cy8ckit_062s2_43012	(read only)	837912	837912	0	0.0
			(read/write)	1705940	1705940	0	0.0
			.bss	192956	192956	0	0.0
			.data	2472	2472	0	0.0
			.text	1502124	1502124	0	0.0
	light	cy8ckit_062s2_43012	(read only)	844600	844600	0	0.0
			(read/write)	1630924	1630924	0	0.0
			.bss	186380	186380	0	0.0
			.data	2360	2360	0	0.0
			.text	1433796	1433796	0	0.0
	lock	cy8ckit_062s2_43012	(read only)	817480	817480	0	0.0
			(read/write)	1657812	1657812	0	0.0
			.bss	213476	213476	0	0.0
			.data	2384	2384	0	0.0
			.text	1433564	1433564	0	0.0
qpg	lighting-app	qpg6105+debug	(read/write)	1116572	1116572	0	0.0
			.bss	101216	101216	0	0.0
			.data	740	740	0	0.0
			.text	628948	628948	0	0.0
	lock-app	qpg6105+debug	(read/write)	1080564	1080564	0	0.0
			.bss	97512	97512	0	0.0
			.data	784	784	0	0.0
			.text	592944	592944	0	0.0
telink	air-quality-sensor-app	tlsr9528a_retention	(read only)	51774	51774	0	0.0
			(read/write)	821354	821354	0	0.0
			bss	55064	55064	0	0.0
			text	613712	613712	0	0.0
	all-clusters-app	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	1086576	1086576	0	0.0
			bss	100404	100404	0	0.0
			text	767102	767102	0	0.0
	all-clusters-minimal-app	tlsr9528a	(read only)	4	4	0	0.0
			(read/write)	1084012	1084012	0	0.0
			bss	109764	109764	0	0.0
			text	753344	753344	0	0.0
	bridge-app	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	934644	934644	0	0.0
			bss	94272	94272	0	0.0
			text	646762	646762	0	0.0
	contact-sensor-app	tlsr9528a_retention	(read only)	51774	51774	0	0.0
			(read/write)	821590	821590	0	0.0
			bss	55108	55108	0	0.0
			text	614082	614082	0	0.0
	light-switch-app-ota-shell-factory-data	tlsr9528a	(read only)	4	4	0	0.0
			(read/write)	978676	978676	0	0.0
			bss	79092	79092	0	0.0
			text	694172	694172	0	0.0
	lighting-app-ota-rpc-factory-data-4mb	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	1092992	1092992	0	0.0
			bss	99836	99836	0	0.0
			text	769654	769654	0	0.0
	lock-app-dfu	tlsr9528a	(read only)	4	4	0	0.0
			(read/write)	965308	965308	0	0.0
			bss	97356	97356	0	0.0
			text	647848	647848	0	0.0
	ota-requestor-app	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	948320	948320	0	0.0
			bss	92380	92380	0	0.0
			text	662870	662870	0	0.0
	pump-app	tlsr9528a	(read only)	4	4	0	0.0
			(read/write)	880388	880388	0	0.0
			bss	69084	69084	0	0.0
			text	622092	622092	0	0.0
	pump-controller-app	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	821000	821000	0	0.0
			bss	57320	57320	0	0.0
			text	588968	588968	0	0.0
	shell	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	705600	705600	0	0.0
			bss	73588	73588	0	0.0
			text	462094	462094	0	0.0
	smoke_co_alarm-app	tlsr9528a_retention	(read only)	51774	51774	0	0.0
			(read/write)	823326	823326	0	0.0
			bss	55244	55244	0	0.0
			text	616826	616826	0	0.0
	temperature-measurement-app-mars-ota	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	878093	878093	0	0.0
			bss	60796	60796	0	0.0
			text	630708	630708	0	0.0
	thermostat	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	845372	845372	0	0.0
			bss	57616	57616	0	0.0
			text	607434	607434	0	0.0
	window-covering	tlsr9518adk80d	(read only)	4	4	0	0.0
			(read/write)	839648	839648	0	0.0
			bss	57968	57968	0	0.0
			text	601468	601468	0	0.0