From fdb8a039b4d0768ca86fb6797735bf1b0ff7957a Mon Sep 17 00:00:00 2001 From: kgv Date: Mon, 7 Aug 2017 18:04:33 +0300 Subject: [PATCH] 0028978: Coding rules - suppress GCC compiler warnings -Warray-bounds within NCollection_Array1 --- src/NCollection/NCollection_Array1.hxx | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/NCollection/NCollection_Array1.hxx b/src/NCollection/NCollection_Array1.hxx index ec012f7052..8245603f96 100644 --- a/src/NCollection/NCollection_Array1.hxx +++ b/src/NCollection/NCollection_Array1.hxx @@ -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