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CompilerDetection: Define Q_UNREACHABLE_RETURN for MSVC

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MSVC seems to emit warnings failing the build in some situations where a
return statement comes after a Q_UNREACHABLE. This does not seem to
happen on other compilers. The Q_UNREACHABLE_RETURN macro already exists to deal with this situation. Define it for MSVC.

Change-Id: Iad06f4048e2829b1eac4f78a1053041ef72c21e7
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
This commit is contained in:
Olivier De Cannière 2023-08-07 10:04:19 +02:00
parent d09a9f6de3
commit 6987aab2ab
1 changed files with 1 additions and 0 deletions
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src/corelib/global/qcompilerdetection.h
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@ -77,6 +77,7 @@
# define Q_DECL_IMPORT __declspec(dllimport)
# define QT_MAKE_UNCHECKED_ARRAY_ITERATOR(x) stdext::make_unchecked_array_iterator(x) // Since _MSC_VER >= 1800
# define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) stdext::make_checked_array_iterator(x, size_t(N)) // Since _MSC_VER >= 1500
# define Q_COMPILER_COMPLAINS_ABOUT_RETURN_AFTER_UNREACHABLE
#elif defined(__BORLANDC__) || defined(__TURBOC__)
# define Q_CC_BOR