#!perl BEGIN { chdir 't' if -d 't'; @INC = "../lib"; require './test.pl'; } use Config qw(%Config); $ENV{PERL_TEST_MEMORY} >= 2 or skip_all("Need ~2Gb for this test"); $Config{ptrsize} >= 8 or skip_all("Need 64-bit pointers for this test"); plan(3); # [perl #116907] # ${\2} to defeat constant folding, which in this case actually slows # things down my $x=" "x(${\2}**31+20); pos $x = 2**31-5; is pos $x, 2147483643, 'setting pos on large string'; pos $x += 10; is pos $x, 2147483653, 'reading lvalue pos after setting it > 2**31'; is scalar(pos $x), 2147483653, 'reading it with pos() in rvalue context';