dwarfdump: improve handling of FDE parsing errors #376

Job	Run time
bench	1m 30s
coverage	1m 17s
Build fuzz targets	55s
build (ubuntu-latest, stable)	53s
build (ubuntu-latest, beta)	51s
cross (i686-unknown-linux-gnu)	1m 2s
doc	27s
build (ubuntu-latest, nightly)	51s
features	3m 8s
cross (powerpc64-unknown-linux-gnu)	59s
build (ubuntu-latest, 1.65.0)	4m 34s
build (stable, macOS-latest)	1m 32s
msrv-read	3m 56s
rustfmt	10s
Run `debug_abbrev` fuzz target	5m 9s
Run `debug_aranges` fuzz target	5m 10s
Run `debug_info` fuzz target	5m 7s
Run `debug_line` fuzz target	5m 5s
Run `eh_frame` fuzz target	5m 11s
Run `eh_frame_hdr` fuzz target	5m 9s
	52m 56s

Provide feedback