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Fix --hydrogen-filter="-".

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SubVector asserts that the vector length is not 0 and fails.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/43873002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17405 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2013-10-28 09:01:33 +00:00
parent acb06df0e9
commit 6c2233fbaa
1 changed files with 7 additions and 3 deletions
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10
src/objects.cc
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@ -9912,9 +9912,13 @@ bool JSFunction::PassesFilter(const char* raw_filter) {
String* name = shared()->DebugName();
Vector<const char> filter = CStrVector(raw_filter);
if (filter.length() == 0) return name->length() == 0;
if (filter[0] != '-' && name->IsUtf8EqualTo(filter)) return true;
if (filter[0] == '-' &&
!name->IsUtf8EqualTo(filter.SubVector(1, filter.length()))) {
if (filter[0] == '-') {
if (filter.length() == 1) {
return (name->length() != 0);
} else if (!name->IsUtf8EqualTo(filter.SubVector(1, filter.length()))) {
return true;
}
} else if (name->IsUtf8EqualTo(filter)) {
return true;
}
if (filter[filter.length() - 1] == '*' &&