Bug 109511 - [ftlopt] DFG might force a local to be double even if we store non-numeric values into it
Summary: [ftlopt] DFG might force a local to be double even if we store non-numeric va...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-02-11 16:12 PST by Filip Pizlo
Modified: 2014-06-10 14:02 PDT (History)
7 users (show)

See Also:


Attachments
test case (492 bytes, text/plain)
2014-06-10 14:02 PDT, Filip Pizlo
no flags Details

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Description Filip Pizlo 2013-02-11 16:12:48 PST
This appears to happen due to argument positions, and the fact that tallyVotesForShouldUseDoubleFormat() doesn't set NotUsingDoubleFormat.

A great example of this is the test case for https://bugs.webkit.org/show_bug.cgi?id=109491
Comment 1 Filip Pizlo 2014-06-10 14:02:06 PDT
Created attachment 232813 [details]
test case