58 lines
2.4 KiB
Diff
58 lines
2.4 KiB
Diff
From 4cea86e76af28b28aa72cb7c69ff7cf242b2bd5d Mon Sep 17 00:00:00 2001
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From: Stephan Hartmann <stha09@googlemail.com>
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Date: Sat, 27 Jun 2020 12:18:05 +0000
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Subject: [PATCH] GCC: supress invalid-offsetof warning
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GCC emits a warning if offsetof is used for non-POD
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types. However, GCC supports this and prints only
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the warning, because it might be nonportable code.
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Disable the warning for GCC with a pragma.
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---
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net/third_party/quiche/src/quic/core/frames/quic_frame.h | 7 +++++++
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.../quiche/src/quic/core/frames/quic_inlined_frame.h | 7 +++++++
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2 files changed, 14 insertions(+)
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diff --git a/net/third_party/quiche/src/quic/core/frames/quic_frame.h b/net/third_party/quiche/src/quic/core/frames/quic_frame.h
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index 756b69f..aceba76 100644
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--- a/net/third_party/quiche/src/quic/core/frames/quic_frame.h
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+++ b/net/third_party/quiche/src/quic/core/frames/quic_frame.h
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@@ -110,8 +110,15 @@ struct QUIC_EXPORT_PRIVATE QuicFrame {
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static_assert(sizeof(QuicFrame) <= 24,
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"Frames larger than 24 bytes should be referenced by pointer.");
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+#if defined(__GNUC__)
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+#pragma GCC diagnostic push
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+#pragma GCC diagnostic ignored "-Winvalid-offsetof"
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+#endif
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static_assert(offsetof(QuicStreamFrame, type) == offsetof(QuicFrame, type),
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"Offset of |type| must match in QuicFrame and QuicStreamFrame");
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+#if defined(__GNUC__)
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+#pragma GCC diagnostic pop
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+#endif
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// A inline size of 1 is chosen to optimize the typical use case of
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// 1-stream-frame in QuicTransmissionInfo.retransmittable_frames.
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diff --git a/net/third_party/quiche/src/quic/core/frames/quic_inlined_frame.h b/net/third_party/quiche/src/quic/core/frames/quic_inlined_frame.h
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index 08c4869..804e4bb 100644
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--- a/net/third_party/quiche/src/quic/core/frames/quic_inlined_frame.h
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+++ b/net/third_party/quiche/src/quic/core/frames/quic_inlined_frame.h
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@@ -17,8 +17,15 @@ namespace quic {
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template <typename DerivedT>
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struct QUIC_EXPORT_PRIVATE QuicInlinedFrame {
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QuicInlinedFrame(QuicFrameType type) : type(type) {
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+#if defined(__GNUC__)
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+#pragma GCC diagnostic push
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+#pragma GCC diagnostic ignored "-Winvalid-offsetof"
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+#endif
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static_assert(offsetof(DerivedT, type) == 0,
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"type must be the first field.");
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+#if defined(__GNUC__)
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+#pragma GCC diagnostic pop
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+#endif
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static_assert(sizeof(DerivedT) <= 24,
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"Frames larger than 24 bytes should not be inlined.");
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}
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--
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2.26.2
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