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Route the -Wduplicated-branches pragma through Hedley

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Match #5485, which moved the binary writer's hand-rolled diagnostic
pragmas onto JSON_HEDLEY_PRAGMA (merged into develop while this branch
was open). The devirtualization's -Wduplicated-branches suppression in
write_compact_float was the one raw '#pragma GCC diagnostic' left; it
now uses JSON_HEDLEY_PRAGMA like the adjacent -Wfloat-equal line, still
guarded to GCC >= 7 and non-clang (the warning exists only there).

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XAYM1qhSA2FDaDcGfPW3fG
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-11 06:27:28 +00:00
committed by Claude
co-authored by Claude
parent 36d1176fc7
commit 357342dd59
2 changed files with 64 additions and 64 deletions
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include/nlohmann/detail/output/binary_writer.hpp
+1 -1
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@@ -2061,7 +2061,7 @@ class binary_writer
// (-Wduplicated-branches only exists from GCC 7 on; naming it on an older
// GCC would itself warn under -Wpragmas)
#if defined(__GNUC__) && !defined(__clang__) && (__GNUC__ >= 7)
#pragma GCC diagnostic ignored "-Wduplicated-branches"
JSON_HEDLEY_PRAGMA(GCC diagnostic ignored "-Wduplicated-branches")
#endif
if (!std::isfinite(n) || ((static_cast<double>(n) >= static_cast<double>(std::numeric_limits<float>::lowest()) &&
static_cast<double>(n) <= static_cast<double>((std::numeric_limits<float>::max)()) &&