fast/dynamic/create-renderer-for-whitespace-only-text.html is a flaky failure on iOS. HISTORY: https://results.webkit.org/?suite=layout-tests&test=fast%2Fdynamic%2Fcreate-renderer-for-whitespace-only-text.html I attempted to replicate the failure as follows: run-webkit-tests --iOS-simulator fast/dynamic/create-renderer-for-whitespace-only-text.html --iterations 100 TEXT DIFF TEXT: @@ -23,10 +23,10 @@ RenderBlock {P} at (0,92) size 784x20 RenderText {#text} at (0,0) size 358x19 text run at (0,0) width 358: "The left column should be identical to the right column." - RenderTable {TABLE} at (0,128) size 200x104 [border: (0.50px none #808080)] - RenderTableSection {TBODY} at (0,0) size 199x104 - RenderTableRow {TR} at (0,0) size 199x29 - RenderTableCell {TD} at (0,0) size 100x29 [border: (0.50px solid #000000)] [r=0 c=0 rs=1 cs=1] + RenderTable {TABLE} at (0,128) size 199x103 [border: (0.33px none #808080)] + RenderTableSection {TBODY} at (0,0) size 199x103 + RenderTableRow {TR} at (0,0) size 198x29 + RenderTableCell {TD} at (0,0) size 99x29 [border: (0.33px solid #000000)] [r=0 c=0 rs=1 cs=1] RenderBlock {DIV} at (4,4) size 91x21 RenderText {#text} at (0,0) size 24x19 text run at (0,0) width 24: "wet" @@ -34,12 +34,12 @@ text run at (23,0) width 5: " " RenderText {#text} at (27,0) size 24x19 text run at (27,0) width 24: "suit" - RenderTableCell {TD} at (99,0) size 100x29 [border: (0.50px solid #000000)] [r=0 c=1 rs=1 cs=1] + RenderTableCell {TD} at (98,0) size 100x29 [border: (0.33px solid #000000)] [r=0 c=1 rs=1 cs=1] RenderBlock {DIV} at (4,4) size 91x21 RenderText {#text} at (0,0) size 51x19 text run at (0,0) width 51: "wet suit" - RenderTableRow {TR} at (0,29) size 199x45 - RenderTableCell {TD} at (0,29) size 100x45 [border: (0.50px solid #000000)] [r=1 c=0 rs=1 cs=1] + RenderTableRow {TR} at (0,28) size 198x46 + RenderTableCell {TD} at (0,28) size 99x46 [border: (0.33px solid #000000)] [r=1 c=0 rs=1 cs=1] RenderBlock {UL} at (4,4) size 91x21 RenderInline {LI} at (0,0) size 24x19 RenderText {#text} at (40,0) size 24x19 @@ -50,7 +50,7 @@ RenderText {#text} at (67,0) size 24x19 text run at (67,0) width 24: "suit" RenderText {#text} at (0,0) size 0x0 - RenderTableCell {TD} at (99,29) size 100x45 [border: (0.50px solid #000000)] [r=1 c=1 rs=1 cs=1] + RenderTableCell {TD} at (98,28) size 100x46 [border: (0.33px solid #000000)] [r=1 c=1 rs=1 cs=1] RenderBlock {UL} at (4,4) size 91x21 RenderInline {LI} at (0,0) size 24x19 RenderText {#text} at (40,0) size 24x19 @@ -61,8 +61,8 @@ RenderText {#text} at (67,0) size 24x19 text run at (67,0) width 24: "suit" RenderText {#text} at (0,0) size 0x0 - RenderTableRow {TR} at (0,74) size 199x29 - RenderTableCell {TD} at (0,74) size 100x29 [border: (0.50px solid #000000)] [r=2 c=0 rs=1 cs=1] + RenderTableRow {TR} at (0,73) size 198x29 + RenderTableCell {TD} at (0,73) size 99x29 [border: (0.33px solid #000000)] [r=2 c=0 rs=1 cs=1] RenderBlock {DIV} at (4,4) size 91x21 RenderInline {DIV} at (0,0) size 24x19 RenderText {#text} at (0,0) size 24x19 @@ -73,7 +73,7 @@ RenderText {#text} at (27,0) size 24x19 text run at (27,0) width 24: "suit" RenderText {#text} at (0,0) size 0x0 - RenderTableCell {TD} at (99,74) size 100x29 [border: (0.50px solid #000000)] [r=2 c=1 rs=1 cs=1] + RenderTableCell {TD} at (98,73) size 100x29 [border: (0.33px solid #000000)] [r=2 c=1 rs=1 cs=1] RenderBlock {DIV} at (4,4) size 91x21 RenderInline {DIV} at (0,0) size 24x19 RenderText {#text} at (0,0) size 24x19