/* PR middle-end/99502 - missing -Warray-bounds on partial out of bounds access in C++ { dg-do compile } { dg-options "-O2 -Wall" } */ inline void* operator new (__SIZE_TYPE__, void *p) { return p; } struct B0 { int b0i, b0a[0]; }; struct B1: virtual B0 { int b1i, b1a[0]; }; struct B2: virtual B0 { int b2i, b2a[0]; }; struct D1: B1, B2 { int d1i, d1a[0]; }; struct D2: D1 { int d2i, d2a[0]; }; struct D3: D2 { int d3i, d3a[0]; }; void sink (void*); void test_D1 () { { char *p = new char[sizeof (D1)]; new (p) D1 (); sink (p); } { char *p = new char[sizeof (D1) - 1]; new (p) D1 (); // { dg-warning "-Warray-bounds" } sink (p); } } void test_D1_b0a () { { D1 *p = (D1*)new char[sizeof (D1)]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" "pr99630" { xfail *-*-* } } sink (p); } { D1 *p = (D1*)new char[3]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D1_b1a () { { D1 *p = (D1*)new char[sizeof (D1)]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D1 *p = (D1*)new char[3]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D1_b2a () { { D1 *p = (D1*)new char[sizeof (D1)]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D1 *p = (D1*)new char[3]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D1_d1a () { { D1 *p = (D1*)new char[sizeof (D1)]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D1 *p = (D1*)new char[3]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2 () { { char *p = new char[sizeof (D2)]; new (p) D2 (); sink (p); } { char *p = new char[sizeof (D2) - 1]; new (p) D2 (); // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2_b0a () { { D2 *p = (D2*)new char[sizeof (D2)]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" "pr99630" { xfail *-*-* } } sink (p); } { D2 *p = (D2*)new char[3]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2_b1a () { { D2 *p = (D2*)new char[sizeof (D2)]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D2 *p = (D2*)new char[3]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2_b2a () { { D2 *p = (D2*)new char[sizeof (D2)]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D2 *p = (D2*)new char[3]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2_d1a () { { D2 *p = (D2*)new char[sizeof (D2)]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D2 *p = (D2*)new char[3]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D2_d2a () { { D2 *p = (D2*)new char[sizeof (D2)]; *p->d2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D2 *p = (D2*)new char[3]; *p->d2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3 () { { char *p = new char[sizeof (D3)]; new (p) D3 (); sink (p); } { char *p = new char[sizeof (D3) - 1]; new (p) D3 (); // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_b0a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" "pr99630" { xfail *-*-* } } sink (p); } { D3 *p = (D3*)new char[3]; *p->b0a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_b1a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D3 *p = (D3*)new char[3]; *p->b1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_b2a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D3 *p = (D3*)new char[3]; *p->b2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_d1a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D3 *p = (D3*)new char[3]; *p->d1a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_d2a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->d2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D3 *p = (D3*)new char[3]; *p->d2a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } } void test_D3_d3a () { { D3 *p = (D3*)new char[sizeof (D3)]; *p->d3a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } { D3 *p = (D3*)new char[3]; *p->d3a = __LINE__; // { dg-warning "-Warray-bounds" } sink (p); } }