Fix dangling pointer

Fix dangling pointer

The resolved executable path is returned to the static in Platform as
a scope allocated string. This change strdups it when it is cached in
a static for return on subsequent calls. Previously, the memory would
be deallocated on exit from the scope.

fixes #26031

R=asiva@google.com

Committed: https://github.com/dart-lang/sdk/commit/078d89ef5c2fc431cd8b5926d61783f109391cf9

[zra, 2016-03-18 05:49:12]

Description was changed from

==========
Fix dangling string

fixes #26031
==========

to

==========
Fix dangling pointer

The resolved executable path is returned to the static in Platform as
a scope allocated string. This change strdups it when it is cached in
a static for return on subsequent calls. Previously, the memory would
be deallocated on exit from the scope.

fixes #26031
==========

[zra, 2016-03-18 05:49:46]

zra@google.com changed reviewers:
+ asiva@google.com

[siva, 2016-03-18 14:56:16]

lgtm

[zra, 2016-03-18 15:34:26]

Description was changed from

==========
Fix dangling pointer

The resolved executable path is returned to the static in Platform as
a scope allocated string. This change strdups it when it is cached in
a static for return on subsequent calls. Previously, the memory would
be deallocated on exit from the scope.

fixes #26031
==========

to

==========
Fix dangling pointer

The resolved executable path is returned to the static in Platform as
a scope allocated string. This change strdups it when it is cached in
a static for return on subsequent calls. Previously, the memory would
be deallocated on exit from the scope.

fixes #26031

R=asiva@google.com

Committed:
https://github.com/dart-lang/sdk/commit/078d89ef5c2fc431cd8b5926d61783f109391cf9
==========

[zra, 2016-03-18 15:34:27]

Committed patchset #2 (id:20001) manually as
078d89ef5c2fc431cd8b5926d61783f109391cf9 (presubmit successful).