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Bug
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Resolution: Fixed
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P2: Important
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6.11
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None
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1
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558c69a05 (dev), 73bb0f636 (6.10), 14f3ee5cc (tqtc/lts-6.8), e605c7c78 (tqtc/lts-6.5)
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Foundation Sprint 142
This error happens when updating MinGW-W64 from GCC 13.1. to GCC 15.1.0
- Target: windows-11_24H2-mingw15-developer-build
- https://bugreports.qt.io/browse/QTQAINFRA-7483
Logs:
- https://coin.ci.qt.io/coin/integration/qt/qtbase/tasks/web_qt_qtbase_1761900768198 (in testresults)
- https://coin.ci.qt.io/coin/log/qt/qtbase/1cb60acd62be3ea5448cbb0c7f42a74fafa425a7/WindowsWindows_11_24H2x86_64WindowsWindows_11_24H2x86_64Mingwqtci-windows-11_24H2-x86_64-71-f690b2Sccache_StandaloneExamples_UseConfigure_WarningsAreErrors/d34eaba10f703af8bea00ae6020f3fae12d6a559/build_1761904865
C:/Users/qt/work/qt/qtbase/src/3rdparty/double-conversion/double-conversion/double-to-string.cc:197:7: error: 'decimal_point' may be used uninitialized [-Werror=maybe-uninitialized] agent:2025/10/31 10:37:26 build.go:414: 197 | int exponent = decimal_point - 1; agent:2025/10/31 10:37:26 build.go:414: | ^~~~~~~~ agent:2025/10/31 10:37:26 build.go:414: C:/Users/qt/work/qt/qtbase/src/3rdparty/double-conversion/double-conversion/double-to-string.cc:183:7: note: 'decimal_point' was declared here agent:2025/10/31 10:37:26 build.go:414: 183 | int decimal_point; agent:2025/10/31 10:37:26 build.go:414: | ^~~~~~~~~~~~~ agent:2025/10/31 10:37:26 build.go:414: cc1plus.exe: all warnings being treated as errors
- is required for
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QTQAINFRA-7483 Windows: Upgrade Mingw-W64 to 15.1.0 / 12.0.0
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- In Review
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