From b8890277ba53fdf7b61a580a9495c8c0fcc41c3d Mon Sep 17 00:00:00 2001
From: Brad Werth <werth@efn.org>
Date: Tue, 24 Feb 2026 19:15:41 +0100
Subject: [PATCH] [gfx] Use gzip stream total_out for SVG document parsing.

With this change, the assert is no longer necessary, because the stream
tells us how many elements to process.
---
 gfx/thebes/gfxSVGGlyphs.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gfx/thebes/gfxSVGGlyphs.cpp b/gfx/thebes/gfxSVGGlyphs.cpp
index 13c0420cc2..3477b34441 100644
--- a/gfx/thebes/gfxSVGGlyphs.cpp
+++ b/gfx/thebes/gfxSVGGlyphs.cpp
@@ -311,8 +311,7 @@ gfxSVGGlyphsDocument::gfxSVGGlyphsDocument(const uint8_t *aBuffer,
       if (Z_OK == inflateInit2(&s, 16 + MAX_WBITS)) {
         int result = inflate(&s, Z_FINISH);
         if (Z_STREAM_END == result) {
-          MOZ_ASSERT(size_t(s.next_out - outBuf.Elements()) == origLen);
-          ParseDocument(outBuf.Elements(), outBuf.Length());
+          ParseDocument(outBuf.Elements(), s.total_out);
         } else {
           NS_WARNING("Failed to decompress SVG glyphs document");
         }