Has been for a while it seems.

Example build:

https://build.chromium.org/p/chromium.gpu.fyi/builders/Win7%20Release%20%28ATI%29/builds/21479

[4712:2660:0617/022248:INFO:CONSOLE(11)] "Init testcase: common.abs.vec4_lowp_vertex", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] "ERROR: comparison failed for value 0:
 undefinedExpected [0] = 1.117829442024231 with ULP threshold 65535, got ULP diff 2139679479", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " inputs:", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " in0 = [object Object] 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source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " outputs:", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " out0 = [object Object] -0.59375,0.59375,0,1,-0.5625,0.59375,0,1,-0.53125,0.59375,0,1,-0.5,0.59375,0,1,-0.46875,0.59375,0,1,-0.4375,0.59375,0,1,-0.40625,0.59375,0,1,-0.375,0.59375,0,1,-0.34375,0.59375,0,1,-0.3125,0.59375,0,1,-0.28125,0.59375,0,1,-0.25,0.59375,0,1,-0.21875,0.59375,0,1,-0.1875,0.59375,0,1,-0.15625,0.59375,0,1,-0.125,0.59375,0,1,-0.09375,0.59375,0,1,-0.0625,0.59375,0,1,-0.03125,0.59375,0,1,0,0.59375,0,1,0.03125,0.59375,0,1,0.0625,0.59375,0,1,0.09375,0.59375,0,1,0.125,0.59375,0,1,0.15625,0.59375,0,1,0.1875,0.59375,0,1,0.21875,0.59375,0,1,0.25,0.59375,0,1,0.28125,0.59375,0,1,0.3125,0.59375,0,1,0.34375,0.59375,0,1,0.375,0.59375,0,1,0.40625,0.59375,0,1,0.4375,0.59375,0,1,0.46875,0.59375,0,1,0.5,0.59375,0,1,0.53125,0.59375,0,1,0.5625,0.59375,0,1,0.59375,0.59375,0,1,0.625,0.59375,0,1,0.65625,0.59375,0,1,0.6875,0.59375,0,1,0.71875,0.59375,0,1,0.75,0.59375,0,1,0.78125,0.59375,0,1,0.8125,0.59375,0,1,0.84375,0.59375,0,1,0.875,0.59375,0,1,0.90625,0.59375,0,1,0.9375,0.59375,0,1,0.96875,0.59375,0,1,1,0.59375,0,1,-1,0.625,0,1,-0.96875,0.625,0,1,-0.9375,0.625,0,1,-0.90625,0.625,0,1,-0.875,0.625,0,1,-0.84375,0.625,0,1,-0.8125,0.625,0,1,-0.78125,0.625,0,1,-0.75,0.625,0,1,-0.71875,0.625,0,1,-0.6875,0.625,0,1,-0.65625,0.625,0,1,-0.625,0.625,0,1,-0.59375,0.625,0,1,-0.5625,0.625,0,1,-0.53125,0.625,0,1,-0.5,0.625,0,1,-0.46875,0.625,0,1,-0.4375,0.625,0,1,-0.40625,0.625,0,1,-0.375,0.625,0,1,-0.34375,0.625,0,1,-0.3125,0.625,0,1,-0.28125,0.625,0,1,-0.25,0.625,0,1,-0.21875,0.625,0,1,-0.1875,0.625,0,1,-0.15625,0.625,0,1,-0.125,0.625,0,1,-0.09375,0.625,0,1,-0.0625,0.625,0,1,-0.03125,0.625,0,1,0,0.625,0,1,0.03125,0.625,0,1,0.0625,0.625,0,1,0.09375,0.625,0,1,0.125,0.625,0,1,0.15625,0.625,0,1,0.1875,0.625,0,1,0.21875,0.625,0,1,0.25,0.625,0,1,0.28125,0.625,0,1,0.3125,0.625,0,1,0.34375,0.625,0,1,0.375,0.625,0,1,0.40625,0.625,0,1,0.4375,0.625,0,1,0.46875,0.625,0,1", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] "ERROR: comparison failed for value 1:
 Expected [0] = 1.4288842678070068 with ULP threshold 65535, got ULP diff 2136545874", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " inputs:", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " in0 = [object Object] undefined", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " outputs:", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] " out0 = [object Object] undefined", source:  (11)
[4712:2660:0617/022248:INFO:CONSOLE(11)] "ERROR: comparison failed for value 2:
 Expected [0] = 1.276553750038147 with ULP threshold 65535, got ULP diff 2137299427", source:  (11)
<snip>

Going to land a flaky suppression.