[perl #80630] Make eval"" return empty list for syntax errors

Up till now, eval"" in list context was returning a list containing
undef for syntax errors and an empty list for run-time errors.

2 files changed, 7 insertions, 2 deletions

diff --git a/t/comp/retainedlines.t b/t/comp/retainedlines.t
index 25687bed9e..01557a659b 100644
--- a/t/comp/retainedlines.t
+++ b/t/comp/retainedlines.t
@@ -24,7 +24,7 @@ sub failed {
     return;
 }
 
-sub is {
+sub is($$$) {
     my ($got, $expect, $name) = @_;
     $test = $test + 1;
     if (defined $expect) {
diff --git a/t/op/eval.t b/t/op/eval.t
index 78faa8545c..5cd7f4c125 100644
--- a/t/op/eval.t
+++ b/t/op/eval.t
@@ -6,7 +6,7 @@ BEGIN {
     require './test.pl';
 }
 
-plan(tests => 121);
+plan(tests => 125);
 
 eval 'pass();';
 
@@ -25,6 +25,11 @@ like($@, qr/line 2/);
 print eval '$foo = /';	# this tests for a call through fatal()
 like($@, qr/Search/);
 
+is scalar(eval '++'), undef, 'eval syntax error in scalar context';
+is scalar(eval 'die'), undef, 'eval run-time error in scalar context';
+is +()=eval '++', 0, 'eval syntax error in list context';
+is +()=eval 'die', 0, 'eval run-time error in list context';
+
 is(eval '"ok 7\n";', "ok 7\n");
 
 $foo = 5;