%SIG says "When a __DIE__ hook routine returns, the exception processing continues as it would have in the absence of the hook, unless the hook routine itself exits via a goto &sub, a loop exit, or a die()". Presumably "continues as it would have in the absence of the hook" means it dies, but what does "the hook routine itself exits via ... a loop exit" mean? Attempts: 
$ perl -Mstrict -wE'$SIG{__DIE__}=sub{last}; die "hi"'
Exiting subroutine via last at -e line 1.
Can't "last" outside a loop block at -e line 1.

# no strict
$ perl -wE'$SIG{__DIE__}=sub{last}; die "hi"'
Exiting subroutine via last at -e line 1.
Can't "last" outside a loop block at -e line 1.

# no warnings
$ perl -E'$SIG{__DIE__}=sub{last}; die "hi"'
Can't "last" outside a loop block at -e line 1.

# -e instead of -E
$ perl -e'$SIG{__DIE__}=sub{last}; die "hi"'
Can't "last" outside a loop block at -e line 1.

# put last in a while loop, dies
$ perl -e'$SIG{__DIE__}=sub{while(1){last}}; die "hi"'
hi at -e line 1.

# put last in a non-loop block, dies
$ perl -e'$SIG{__DIE__}=sub{{last}}; die "hi"'
hi at -e line 1.

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Edit: 
$ perl --version

This is perl 5, version 38, subversion 2 (v5.38.2) built for x86_64-ms
+ys-thread-multi

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In reply to exit from $SIG{__DIE__} via a loop exit? by ForgotPasswordAgain

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