Clear decoders after the image decoder in the /Filter array

core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
index bcade63831449d24d8cc8bf742ae3e23096295f1..1546bcd717721d1d4d14ef99cfc07f29f7355736 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
@@ -95,4 +95,14 @@ TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) {
   }
 }
 
+TEST_F(FPDFParserDecodeEmbeddertest, Bug_552046) {
+  // Tests specifying multiple image filters for a stream. Should not cause a
+  // crash when rendered.
+  EXPECT_TRUE(OpenDocument("testing/resources/bug_552046.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  FPDF_BITMAP bitmap = RenderPage(page);
+  FPDFBitmap_Destroy(bitmap);
+  UnloadPage(page);
+}
+
 #undef TEST_CASE