Merge branch 'ab/align-perf-descriptions'

Output from perf tests have been updated to align their titles.

* ab/align-perf-descriptions:
  t/perf: correctly align non-ASCII descriptions in output

t/perf/aggregate.perl

@@ -88,6 +88,7 @@ for my $t (@tests) {
 sub read_descr {
 	my $name = shift;
 	open my $fh, "<", $name or return "<error reading description>";
+	binmode $fh, ":utf8" or die "PANIC on binmode: $!";
 	my $line = <$fh>;
 	close $fh or die "cannot close $name";
 	chomp $line;
@@ -147,6 +148,8 @@ for my $t (@subtests) {
 my $totalwidth = 3*@dirs+$descrlen;
 $totalwidth += $_ for (@colwidth);
 
+binmode STDOUT, ":utf8" or die "PANIC on binmode: $!";
+
 printf "%-${descrlen}s", "Test";
 for my $i (0..$#dirs) {
 	my $d = $dirs[$i];

t/perf/p0000-perf-lib-sanity.sh

@@ -33,6 +33,8 @@ test_perf 'export a weird var' '
 	test_export bar
 '
 
+test_perf 'éḿíẗ ńöń-ÁŚĆÍÍ ćḧáŕáćẗéŕś' 'true'
+
 test_expect_success 'test_export works with weird vars' '
 	echo "$bar" &&
 	test "$bar" = "weird # variable"