Do a static_cast in bit-blasts that are UB

Without this, building Qt and Qt applications fails with GCC 8.
The errors look like this:
writing to an object of type ‘class QPointer<QQuickPointerHandler>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Werror=class-memaccess]

Task-number: QTBUG-65691
Change-Id: Ie5a30814125deca7a160b9a61f5aa3f944ee1ac9
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

2 files changed, 6 insertions, 6 deletions

diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h
index f49e2638f5..58ddc7c06d 100644
--- a/src/gui/text/qtextengine_p.h
+++ b/src/gui/text/qtextengine_p.h
@@ -236,13 +236,13 @@ struct QGlyphLayout
             last = numGlyphs;
         if (first == 0 && last == numGlyphs
             && reinterpret_cast<char *>(offsets + numGlyphs) == reinterpret_cast<char *>(glyphs)) {
-            memset(offsets, 0, (numGlyphs * SpaceNeeded));
+            memset(static_cast<void *>(offsets), 0, (numGlyphs * SpaceNeeded));
         } else {
             const int num = last - first;
-            memset(offsets + first, 0, num * sizeof(QFixedPoint));
+            memset(static_cast<void *>(offsets + first), 0, num * sizeof(QFixedPoint));
             memset(glyphs + first, 0, num * sizeof(glyph_t));
-            memset(advances + first, 0, num * sizeof(QFixed));
-            memset(justifications + first, 0, num * sizeof(QGlyphJustification));
+            memset(static_cast<void *>(advances + first), 0, num * sizeof(QFixed));
+            memset(static_cast<void *>(justifications + first), 0, num * sizeof(QGlyphJustification));
             memset(attributes + first, 0, num * sizeof(QGlyphAttributes));
         }
     }
diff --git a/src/gui/text/qtextobject.h b/src/gui/text/qtextobject.h
index a5030de112..4cc2535b58 100644
--- a/src/gui/text/qtextobject.h
+++ b/src/gui/text/qtextobject.h
@@ -154,9 +154,9 @@ public:
         iterator(const iterator &o) Q_DECL_NOTHROW; // = default
         iterator &operator=(const iterator &o) Q_DECL_NOTHROW; // = default
         iterator(iterator &&other) Q_DECL_NOTHROW // = default
-        { memcpy(this, &other, sizeof(iterator)); }
+        { memcpy(static_cast<void *>(this), static_cast<void *>(&other), sizeof(iterator)); }
         iterator &operator=(iterator &&other) Q_DECL_NOTHROW // = default
-        { memcpy(this, &other, sizeof(iterator)); return *this; }
+        { memcpy(static_cast<void *>(this), static_cast<void *>(&other), sizeof(iterator)); return *this; }
 #endif
 
         QTextFrame *parentFrame() const { return f; }