[GCC] Fix build for Debian Stable after 270351@main

https://bugs.webkit.org/show_bug.cgi?id=264299

Reviewed by Yusuke Suzuki.

Wrap memcpy function call into local function to work around build
error.

* Source/JavaScriptCore/assembler/X86Assembler.h:
(JSC::X86Assembler::memcpyWrapper):
(JSC::X86Assembler::replaceWithNops):

Canonical link: https://commits.webkit.org/270526@main

Source/JavaScriptCore/assembler/X86Assembler.h

@@ -6391,9 +6391,15 @@ class X86Assembler {
         WTF::unalignedStore<int32_t>(ptr + 1, static_cast<int32_t>(distance));
     }
 
+    // FIXME: Indirection needed to work around GCC error in Debian 11.
+    static void* memcpyWrapper(void* dest, const void* src, size_t n)
+    {
+        return memcpy(dest, src, n);
+    }
+
     static void replaceWithNops(void* instructionStart, size_t memoryToFillWithNopsInBytes)
     {
-        fillNops<memcpy>(instructionStart, memoryToFillWithNopsInBytes);
+        fillNops<memcpyWrapper>(instructionStart, memoryToFillWithNopsInBytes);
     }
 
     static ptrdiff_t maxJumpReplacementSize()