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Eval arg to SvSETMAGIC just once #23613

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Merged
khwilliamson merged 1 commit into from
Sep 1, 2025
Merged

Eval arg to SvSETMAGIC just once #23613

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6 changes: 5 additions & 1 deletion sv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2459,7 +2459,11 @@ that already have a PV buffer allocated, but no SvTHINKFIRST.
#define SvUNLOCK(sv) PL_unlockhook(aTHX_ sv)
#define SvDESTROYABLE(sv) PL_destroyhook(aTHX_ sv)

#define SvSETMAGIC(x) STMT_START { if (UNLIKELY(SvSMAGICAL(x))) mg_set(x); } STMT_END
#define SvSETMAGIC(x) \
STMT_START { \
SV * sv_svsetmagic_ = MUTABLE_SV(x); \
if (UNLIKELY(SvSMAGICAL(sv_svsetmagic_))) mg_set(sv_svsetmagic_); \
} STMT_END

#define SvSetSV_and(dst,src,finally) \
STMT_START { \
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