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0028978: Coding rules - suppress GCC compiler warnings -Warray-bounds within NCollection_Array1

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kgv 2017-08-07 18:04:33 +03:00 committed by bugmaster
parent 1428d37a1a
commit fdb8a039b4
1 changed files with 12 additions and 1 deletions
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13
src/NCollection/NCollection_Array1.hxx
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@ -212,7 +212,18 @@ public:
myDeletable (Standard_False)
{
Standard_RangeError_Raise_if (theUpper < theLower, "NCollection_Array1::Create");
myData = (TheItemType *) &theBegin - theLower;
#if (defined(__GNUC__) && __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
// gcc emits -Warray-bounds warning when NCollection_Array1 is initialized
// from local array with lower index 1 (so that (&theBegin - 1) points out of array bounds).
// NCollection_Array1 initializes myData with a shift to avoid this shift within per-element access.
// It is undesired changing this logic, and -Warray-bounds is not useful here.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Warray-bounds"
#endif
myData = (TheItemType *) &theBegin - theLower;
#if (defined(__GNUC__) && __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
#pragma GCC diagnostic pop
#endif
}
//! Initialise the items with theValue