mirror of
https://github.com/wpilibsuite/allwpilib
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32cd2ddf8e
Semiwrap / meson / robotpy define `NDEBUG` when building their software in all modes, while `allwplib` only does it when building debug. This causes the size of `DenseMap` to differ between the shared libraries built here, and the extension modules built in `mostrobotpy`, causing segfaults when you try to execute code that uses `DenseMap`. This is not a problem with the robotpy code in `allwpilib`, because bazel uses the exact same compiler flags when building the shared libraries and pybind11 extensions.
25 lines
986 B
Diff
25 lines
986 B
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: PJ Reiniger <pj.reiniger@gmail.com>
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Date: Fri, 1 Mar 2024 11:56:17 -0800
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Subject: [PATCH 24/35] constexpr endian byte swap
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---
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llvm/include/llvm/Support/Endian.h | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/llvm/include/llvm/Support/Endian.h b/llvm/include/llvm/Support/Endian.h
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index f86ea8901ae46b8b724b76ac44e0b54b84b9eda8..ca4252fc064d3349d10b7e540aadb885ae96a3b5 100644
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--- a/llvm/include/llvm/Support/Endian.h
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+++ b/llvm/include/llvm/Support/Endian.h
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@@ -50,7 +50,9 @@ template <typename value_type>
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/// Swap the bytes of value to match the given endianness.
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template <typename value_type, endianness endian>
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[[nodiscard]] inline value_type byte_swap(value_type value) {
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- return byte_swap(value, endian);
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+ if constexpr (endian != llvm::endianness::native)
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+ sys::swapByteOrder(value);
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+ return value;
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}
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/// Read a value of a particular endianness from memory.
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