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Using optimize_full gives us -O3 also on icc and clang, and -O3 already
implies -ftree-vectorize, and -ffast-math already implies unsafe-math-
optimizations.
Change-Id: Ieb1a6841da1ea3513ae624bf2468554bc62318c9
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>
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We don't care to fix them.
clipper.cpp:3665:13: warning: unused variable 'firstLeft' [-Wunused-variable]
sweep.cpp:706:8: warning: reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to false [-Wtautological-undefined-compare]
Change-Id: I27b55fdf514247549455fffd14b17ba6040ac332
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>
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QtLocation makes use of a 3rd party library for polygon tessellation,
poly2tri.
This library is known to be weak in handling complex input, like, for
example, polygons with self intersecting edges.
Sanitizing the input data through clipper solves the problem, and it
has already been implemented in the clip2tri library, which this
patch includes and uses.
Task-number: QTBUG-52076
Change-Id: I071a58e202345bc71da583995f7245361f00e8c4
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
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