Suppress stringop-overflow warning due to GCC 11 regression

Signed-off-by: Matthew Cong <[email protected]>

Author: matthewdcong

nanovdb/nanovdb/NanoVDB.h

@@ -3217,15 +3217,18 @@ struct NANOVDB_ALIGN(NANOVDB_DATA_ALIGNMENT) InternalData
     __hostdev__ const StatsT& average() const { return mAverage; }
     __hostdev__ const StatsT& stdDeviation() const { return mStdDevi; }
 
-#if defined(__GNUC__) && !defined(__APPLE__) && !defined(__llvm__)
+// GCC 11 (and possibly prior versions) has a regression that results in invalid
+// warnings when -Wstringop-overflow is turned on. For details, refer to
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854
+#if defined(__GNUC__) && (__GNUC__ < 12) && !defined(__APPLE__) && !defined(__llvm__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wstringop-overflow"
 #endif
     __hostdev__ void setMin(const ValueT& v) { mMinimum = v; }
     __hostdev__ void setMax(const ValueT& v) { mMaximum = v; }
     __hostdev__ void setAvg(const StatsT& v) { mAverage = v; }
     __hostdev__ void setDev(const StatsT& v) { mStdDevi = v; }
-#if defined(__GNUC__) && !defined(__APPLE__) && !defined(__llvm__)
+#if defined(__GNUC__) && (__GNUC__ < 12) && !defined(__APPLE__) && !defined(__llvm__)
 #pragma GCC diagnostic pop
 #endif
 
@@ -3662,10 +3665,20 @@ struct NANOVDB_ALIGN(NANOVDB_DATA_ALIGNMENT) LeafData
     __hostdev__ FloatType getAvg() const { return mAverage; }
     __hostdev__ FloatType getDev() const { return mStdDevi; }
 
+// GCC 11 (and possibly prior versions) has a regression that results in invalid
+// warnings when -Wstringop-overflow is turned on. For details, refer to
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854
+#if defined(__GNUC__) && (__GNUC__ < 12) && !defined(__APPLE__) && !defined(__llvm__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-overflow"
+#endif
     __hostdev__ void setMin(const ValueType& v) { mMinimum = v; }
     __hostdev__ void setMax(const ValueType& v) { mMaximum = v; }
     __hostdev__ void setAvg(const FloatType& v) { mAverage = v; }
     __hostdev__ void setDev(const FloatType& v) { mStdDevi = v; }
+#if defined(__GNUC__) && (__GNUC__ < 12) && !defined(__APPLE__) && !defined(__llvm__)
+#pragma GCC diagnostic pop
+#endif
 
     template<typename T>
     __hostdev__ void setOrigin(const T& ijk) { mBBoxMin = ijk; }