UPDATE
Adding code that works:
.container {
display: -webkit-flex;
}
.container>div:first-child{
white-space:nowrap;
-webkit-order:1;
-webkit-flex: 0 1 auto; /*important*/
text-overflow: ellipsis;
overflow:hidden;
min-width:0; /* new algorithm overrides the width calculation */
}
.container > div:last-child {
-webkit-flex: 1;
-webkit-order:2;
background: red;
-webkit-flex:1 0 auto; /*important*/
}
.container > div:first-child:hover{
white-space:normal;
}
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo bar
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo barfoo barfoo barfoo barfoo barfoo barfoo bar
foo bar
Original answer / explanation.
W3C specification says, "By default, flex items won't shrink below their minimum content size (the length of the longest word or fixed-size element). To change this, set the ‘min-width’ or ‘min-height’ property."
If we follow this line of reasoning, I believe the bug has been removed from Canary, not the other way round.
Check as soon as I put min-width to 0, it works in Canary.
So bug was in older implementations, and canary removes that bug.
This example is working in canary. http://jsfiddle.net/iamanubhavsaini/zWtBu/
I used Google Chrome Version 23.0.1245.0 canary.