AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

[parsing] Clarify a comment.

Browse Source 
R=adamk@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2645503002
Cr-Commit-Position: refs/heads/master@{#42472}
This commit is contained in:
neis 2017-01-18 10:00:46 -08:00 committed by Commit bot
parent 656880510b
commit 538f848ddf
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/parsing/pattern-rewriter.cc
View File

@ -227,9 +227,10 @@ void Parser::PatternRewriter::VisitVariableProxy(VariableProxy* pattern) {
if (var_init_scope->is_script_scope() ||
var_init_scope->is_module_scope()) {
// We have to pessimistically assume that top-level variables will be
// assigned. This is because there may be lazily parsed top-level
// functions, which, for efficiency, we preparse without variable
// tracking.
// assigned. This is because they might be accessed by a lazily parsed
// top-level function, which, for efficiency, we preparse without
// variable tracking. In the case of a script (not a module), they
// might also get accessed by another script.
proxy->set_is_assigned();
}
}