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diff --git a/memory/build/Utils.h b/memory/build/Utils.h
--- a/memory/build/Utils.h
+++ b/memory/build/Utils.h
@@ -67,19 +67,19 @@ constexpr size_t operator"" _MiB(unsigne
return size_t(aNum) * 1024_KiB;
}
constexpr size_t operator"" _MiB(long double aNum)
{
return size_t(aNum * 1024_KiB);
}
-constexpr long double operator""_percent(long double aPercent)
+constexpr double operator""_percent(long double aPercent)
{
- return aPercent / 100;
+ return double(aPercent) / 100;
}
// Helper for (fast) comparison of fractions without involving divisions or
// floats.
class Fraction
{
public:
explicit constexpr Fraction(size_t aNumerator, size_t aDenominator)
diff --git a/memory/build/mozjemalloc.cpp b/memory/build/mozjemalloc.cpp
--- a/memory/build/mozjemalloc.cpp
+++ b/memory/build/mozjemalloc.cpp
@@ -908,18 +908,18 @@ struct arena_bin_t
// Offset of first region in a run for this bin's size class.
uint32_t mRunFirstRegionOffset;
// Current number of runs in this bin, full or otherwise.
unsigned long mNumRuns;
// Amount of overhead runs are allowed to have.
- static constexpr long double kRunOverhead = 1.6_percent;
- static constexpr long double kRunRelaxedOverhead = 2.4_percent;
+ static constexpr double kRunOverhead = 1.6_percent;
+ static constexpr double kRunRelaxedOverhead = 2.4_percent;
// Initialize a bin for the given size class.
// The generated run sizes, for a page size of 4 KiB, are:
// size|run size|run size|run size|run
// class|size class|size class|size class|size
// 4 4 KiB 8 4 KiB 16 4 KiB 32 4 KiB
// 48 4 KiB 64 4 KiB 80 4 KiB 96 4 KiB
// 112 4 KiB 128 8 KiB 144 4 KiB 160 8 KiB
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