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-rw-r--r--gfx/cairo/fix-win32-font-assertion.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/gfx/cairo/fix-win32-font-assertion.patch b/gfx/cairo/fix-win32-font-assertion.patch
new file mode 100644
index 0000000000..23cc5474b8
--- /dev/null
+++ b/gfx/cairo/fix-win32-font-assertion.patch
@@ -0,0 +1,27 @@
+From: Jonathan Kew <jkew@mozilla.com>
+bug 838617 - don't assert equality with the key's hash unless it was actually initialized. r=roc
+
+diff --git a/gfx/cairo/cairo/src/cairo-win32-font.c b/gfx/cairo/cairo/src/cairo-win32-font.c
+--- a/gfx/cairo/cairo/src/cairo-win32-font.c
++++ b/gfx/cairo/cairo/src/cairo-win32-font.c
+@@ -2104,19 +2104,19 @@ cairo_win32_font_face_create_for_logfont
+ font_face = malloc (sizeof (cairo_win32_font_face_t));
+ if (!font_face) {
+ _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
+ goto FAIL;
+ }
+
+ _cairo_win32_font_face_init_key (font_face, logfont, font);
+ _cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
+- assert (font_face->base.hash_entry.hash == key.base.hash_entry.hash);
+
+ if (!font) {
++ assert (font_face->base.hash_entry.hash == key.base.hash_entry.hash);
+ status = _cairo_hash_table_insert (hash_table,
+ &font_face->base.hash_entry);
+ if (unlikely (status))
+ goto FAIL;
+ }
+
+ DONE:
+ if (!font) {