105576 2012-12-20 14:03:21 -0800 JIT: Change uninitialized pointer value -1 to constant 2012-12-20 15:21:43 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 1 msaboff msaboff webkit.review.bot oldest_to_newest 795779 0 msaboff 2012-12-20 14:03:21 -0800 The various JIT engines use -1 (0xff....ff depending on pointer size) for a pointer that doesn't point to anything valid. The value of -1 is just used directly in the code. This should be changed in two ways. 1) We should use a symbolic constant so the source code is clearer in what we are doing. 2) The value of -1 isn't a good value, because it is negative and doesn't aid in debugging. 795831 1 180415 msaboff 2012-12-20 14:48:41 -0800 Created attachment 180415 Patch 795860 2 180415 webkit.review.bot 2012-12-20 15:21:40 -0800 Comment on attachment 180415 Patch Clearing flags on attachment: 180415 Committed r138308: <http://trac.webkit.org/changeset/138308> 795861 3 webkit.review.bot 2012-12-20 15:21:43 -0800 All reviewed patches have been landed. Closing bug. 180415 2012-12-20 14:48:41 -0800 2012-12-20 15:21:40 -0800 Patch 105576.patch text/plain 18356 msaboff SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTM4MzAzKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDM3IEBA CisyMDEyLTEyLTIwICBNaWNoYWVsIFNhYm9mZiAgPG1zYWJvZmZAYXBwbGUuY29tPgorCisgICAg ICAgIEpJVDogQ2hhbmdlIHVuaW5pdGlhbGl6ZWQgcG9pbnRlciB2YWx1ZSAtMSB0byBjb25zdGFu dAorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTA1NTc2 CisKKyAgICAgICAgUnViYmVyIHN0YW1wZWQgYnkgR2F2aW4gQmFycmFjbG91Z2guCisKKyAgICAg ICAgQ2hhbmdlZCB0aGUgdXNlIG9mIC0xIGFzIGEgcG9pbnRlciB2YWx1ZSBpbiB0aGUgSklUcyB0 byBiZSB0aGUgY29uc3RhbnQgdW51c2VkUG9pbnRlciBkZWZpbmVkIGluIHRoZQorICAgICAgICBu ZXcgZmlsZSBqaXQvVW51c2VkUG9pbnRlci5oLiAgTWFkZSBpdCdzIHZhbHVlIDB4ZDFlN2JlZWYs 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