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
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
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