patch.diff

commit 68f55384b5c29e83a675e8cdba7858e972e5068d
Author: Patrick Walton <[email protected]>
Date:   Mon Sep 19 13:30:48 2016 -0700

    layout: Make `baseline_offset_of_last_line_box_in_flow()` only check
    blocks in flow.
    
    Improves python.org.
    
    Closes #12124.

diff --git a/components/layout/flow.rs b/components/layout/flow.rs
index 2476e24..36b8da6 100644
--- a/components/layout/flow.rs
+++ b/components/layout/flow.rs
@@ -1405,7 +1405,8 @@ impl<'a> ImmutableFlowUtils for &'a Flow {
                 return kid.as_inline().baseline_offset_of_last_line()
             }
             if kid.is_block_like() &&
-                    kid.as_block().formatting_context_type() == FormattingContextType::None {
+                    kid.as_block().formatting_context_type() == FormattingContextType::None &&
+                    !base(kid).flags.contains(IS_ABSOLUTELY_POSITIONED) {
                 if let Some(baseline_offset) = kid.baseline_offset_of_last_line_box_in_flow() {
                     return Some(base(kid).position.start.b + baseline_offset)
                 }