> perl -w -Mstrict -e"my%f;++@f{(1,2)};die'ack'if foo eq 'bar'"
Bareword "foo" not allowed while "strict subs" in use at -e line 1.
Execution of -e aborted due to compilation errors.

> perl -w -Mstrict -e"my%f;++@f{qw/1 2/};die'ack'if foo eq 'bar'"
Bareword "foo" not allowed while "strict subs" in use at -e line 1.
Execution of -e aborted due to compilation errors.

> perl -w -Mstrict -e"my%f;++@f{1..2};die'ack'if foo eq 'bar'"

> 

##</code><code>##

> perl -w -MO=Terse -Mstrict -e"my%f;++@f{1..2};die'ack'if foo eq 'bar'"
LISTOP (0x182015c) leave [1]
    OP (0x3c3f34) enter
    COP (0x182b404) nextstate
    OP (0x182b4e8) padhv [1]
    COP (0x1821f48) nextstate
    UNOP (0x3cbe14) preinc
        LISTOP (0x1821f84) hslice
            OP (0x3c40b0) pushmark
            UNOP (0x3c408c) rv2av
                SVOP (0x3c4030) const  SPECIAL #0 Nullsv
            OP (0x1821fac) padhv [1]
    COP (0x3c3f64) nextstate
    UNOP (0x1828c28) null
        LOGOP (0x1828c4c) and
            BINOP (0x1828c74) seq
                SVOP (0x3c3fd4) const  PV (0x182a7d4) "foo"
                SVOP (0x3c3fa0) const  PV (0x392c20) "bar"
            LISTOP (0x3c3ff8) die [4]
                OP (0x1821ec4) pushmark
                SVOP (0x1821f24) const  PV (0x392c08) "ack"
-e syntax OK

> perl -w -MO=Terse -Mstrict -e"my%f;++@f{(1,2)};die'ack'if foo eq 'bar'"
Bareword "foo" not allowed while "strict subs" in use at -e line 1.
-e had compilation errors.
LISTOP (0x182015c) leave [1]
    OP (0x3c3f1c) enter
    COP (0x182b404) nextstate
    OP (0x182b4e8) padhv [1]
    COP (0x3c404c) nextstate
    UNOP (0x3c4088) preinc
        LISTOP (0x3c40ac) hslice
            OP (0x1821e60) pushmark
            LISTOP (0x1821ed8) list
                OP (0x3cbe14) pushmark
                SVOP (0x1821f24) const  SPECIAL #0 Nullsv
                SVOP (0x1821f00) const  SPECIAL #0 Nullsv
            OP (0x1821f48) padhv [1]
    COP (0x3c3f3c) nextstate
    UNOP (0x1828c28) null
        LOGOP (0x1828c4c) and
            BINOP (0x1828c74) seq
                SVOP (0x3c3fac) const  SPECIAL #0 Nullsv
                SVOP (0x3c3f78) const  SPECIAL #0 Nullsv
            LISTOP (0x3c3ff0) die [2]
                OP (0x3c3fd0) pushmark
                SVOP (0x3c4018) const  SPECIAL #0 Nullsv

>

##</code><code>##

.