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deps: fix V8 compilation on GCC 12 #53728

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Merged
merged 1 commit into from
Jul 25, 2024
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deps: fix V8 compilation on GCC 12 #53728

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2 changes: 1 addition & 1 deletion common.gypi
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@

# Reset this number to 0 on major V8 upgrades.
# Increment by one for each non-official patch applied to deps/v8.
'v8_embedder_string': '-node.17',
'v8_embedder_string': '-node.18',

##### V8 defaults for Node.js #####

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7 changes: 6 additions & 1 deletion deps/v8/src/base/macros.h
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Expand Up @@ -173,14 +173,19 @@ namespace base {
// base::is_trivially_copyable will differ for these cases.
template <typename T>
struct is_trivially_copyable {
#if V8_CC_MSVC
#if V8_CC_MSVC || (__GNUC__ == 12 && __GNUC_MINOR__ <= 2)
// Unfortunately, MSVC 2015 is broken in that std::is_trivially_copyable can
// be false even though it should be true according to the standard.
// (status at 2018-02-26, observed on the msvc waterfall bot).
// Interestingly, the lower-level primitives used below are working as
// intended, so we reimplement this according to the standard.
// See also https://developercommunity.visualstudio.com/content/problem/
// 170883/msvc-type-traits-stdis-trivial-is-bugged.html.
//
// GCC 12.1 and 12.2 are broken too, they are shipped by some stable Linux
// distributions, so the same polyfill is also used.
// See
// https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=aeba3e009b0abfccaf01797556445dbf891cc8dc
static constexpr bool value =
// Copy constructor is trivial or deleted.
(std::is_trivially_copy_constructible<T>::value ||
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