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Introduce a new non-heap-allocated type for holding nsStringBuffer* in the HTML parser.

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An innerHTML setter profile shows about 10% of the time being spent under nsHtml5HtmlAttributes::clear, mostly deleting nsStrings.
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win7-7 2019-07-05 21:58:21 +03:00 • committed by Roy Tam
commit 1be77e0f3f
34 changed files with 719 additions and 358 deletions
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7
parser/html/nsHtml5ArrayCopy.h
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@ -51,10 +51,11 @@ class nsHtml5ArrayCopy {
memcpy(target, source, size_t(length) * sizeof(int32_t));
}
static inline void
arraycopy(nsString** source, nsString** target, int32_t length)
static inline void arraycopy(nsHtml5String* source,
nsHtml5String* target,
int32_t length)
{
memcpy(target, source, size_t(length) * sizeof(nsString*));
memcpy(target, source, size_t(length) * sizeof(nsHtml5String));
}
static inline void