diff --git a/libgo/go/compress/bzip2/testdata/Mark.Twain-Tom.Sawyer.txt.bz2 b/libgo/go/compress/bzip2/testdata/Mark.Twain-Tom.Sawyer.txt.bz2
new file mode 100644
index 000000000000..0bd61a6d4e36
Binary files /dev/null and b/libgo/go/compress/bzip2/testdata/Mark.Twain-Tom.Sawyer.txt.bz2 differ
diff --git a/libgo/go/compress/bzip2/testdata/e.txt.bz2 b/libgo/go/compress/bzip2/testdata/e.txt.bz2
new file mode 100644
index 000000000000..65bf3b4c32a4
Binary files /dev/null and b/libgo/go/compress/bzip2/testdata/e.txt.bz2 differ
diff --git a/libgo/go/image/png/testdata/benchGray.png b/libgo/go/image/png/testdata/benchGray.png
new file mode 100644
index 000000000000..42bc6c3a0acd
Binary files /dev/null and b/libgo/go/image/png/testdata/benchGray.png differ
diff --git a/libgo/go/image/png/testdata/benchNRGBA-gradient.png b/libgo/go/image/png/testdata/benchNRGBA-gradient.png
new file mode 100644
index 000000000000..961934ccad88
Binary files /dev/null and b/libgo/go/image/png/testdata/benchNRGBA-gradient.png differ
diff --git a/libgo/go/image/png/testdata/benchNRGBA-opaque.png b/libgo/go/image/png/testdata/benchNRGBA-opaque.png
new file mode 100644
index 000000000000..ca4f4a037dfb
Binary files /dev/null and b/libgo/go/image/png/testdata/benchNRGBA-opaque.png differ
diff --git a/libgo/go/image/png/testdata/benchPaletted.png b/libgo/go/image/png/testdata/benchPaletted.png
new file mode 100644
index 000000000000..4b4d5b9928bd
Binary files /dev/null and b/libgo/go/image/png/testdata/benchPaletted.png differ
diff --git a/libgo/go/image/png/testdata/benchRGB.png b/libgo/go/image/png/testdata/benchRGB.png
new file mode 100644
index 000000000000..31ac65a3f24e
Binary files /dev/null and b/libgo/go/image/png/testdata/benchRGB.png differ