[Webkit-unassigned] [Bug 226167] New: GCC complains about a memcpy in SmallSet.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=226167

            Bug ID: 226167
           Summary: GCC complains about a memcpy in SmallSet.h
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: estea at igalia.com

GCC complains about a memcpy in SmallSet.h It seems that it contains an object with no trivial copy-assignment. We'd rather eplace the memcpy with assignments of the private members.

Error:

WTF/Headers/wtf/SmallSet.h:70:15: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘class WTF::SmallSet<WTF::UniquedStringImpl*’ with no trivial copy-assignment [-Wclass-memaccess]
   70 |         memcpy(this, &other, sizeof(SmallSet));
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
WTF/Headers/wtf/SmallSet.h:44:7: note: ‘class WTF::SmallSet<WTF::UniquedStringImpl*>’ declared here
   44 | class SmallSet {

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