$status = $?;
$results = `$CAT $tmpfile`;
$results =~ s/\n+$//;
+# bison says 'parse error' instead of 'syntax error',
+# various yaccs may or may not capitalize 'syntax'.
+ $results =~ s/^(syntax|parse) error/\L$1 error/mi;
$expected =~ s/\n+$//;
if ( $results ne $expected){
print STDERR "PROG: $switch\n$prog\n";
destroyed
destroyed
########
+BEGIN {
+ $| = 1;
+ $SIG{__WARN__} = sub {
+ eval { print $_[0] };
+ die "bar\n";
+ };
+ warn "foo\n";
+}
+EXPECT
+foo
+bar
+BEGIN failed--compilation aborted at - line 8.