head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC4:1.1.1.2
	netbsd-11-0-RC3:1.1.1.2
	netbsd-11-0-RC2:1.1.1.2
	netbsd-11-0-RC1:1.1.1.2
	perseant-exfatfs-base-20250801:1.1.1.2
	netbsd-11:1.1.1.2.0.10
	netbsd-11-base:1.1.1.2
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	netbsd-10-0-RC2:1.1.1.2
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	netbsd-9-0-RELEASE:1.1.1.1
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	pgoyette-compat-merge-20190127:1.1.1.1.2.2
	pgoyette-compat-20190127:1.1.1.1
	pgoyette-compat-20190118:1.1.1.1
	pgoyette-compat-1226:1.1.1.1
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	pgoyette-compat-0906:1.1.1.1
	pgoyette-compat:1.1.1.1.0.2
	pgoyette-compat-0728:1.1.1.1
	clang-337282:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2018.07.17.18.31.46;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	wDzL46ALjrCZgwKA;

1.1.1.1
date	2018.07.17.18.31.46;	author joerg;	state Exp;
branches
	1.1.1.1.2.1
	1.1.1.1.4.1;
next	1.1.1.2;
commitid	wDzL46ALjrCZgwKA;

1.1.1.2
date	2019.11.13.22.19.39;	author joerg;	state dead;
branches;
next	;
commitid	QD8YATxuNG34YJKB;

1.1.1.1.2.1
date	2018.07.17.18.31.46;	author pgoyette;	state dead;
branches;
next	1.1.1.1.2.2;
commitid	1UP1xAIUxv1ZgRLA;

1.1.1.1.2.2
date	2018.07.28.04.33.28;	author pgoyette;	state Exp;
branches;
next	;
commitid	1UP1xAIUxv1ZgRLA;

1.1.1.1.4.1
date	2018.07.17.18.31.46;	author christos;	state dead;
branches;
next	1.1.1.1.4.2;
commitid	jtc8rnCzWiEEHGqB;

1.1.1.1.4.2
date	2019.06.10.21.45.35;	author christos;	state Exp;
branches;
next	1.1.1.1.4.3;
commitid	jtc8rnCzWiEEHGqB;

1.1.1.1.4.3
date	2020.04.13.07.46.50;	author martin;	state dead;
branches;
next	;
commitid	X01YhRUPVUDaec4C;


desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s


static const unsigned long long scull = 0;
void static_int()
{
    *(int*)scull = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull = 0;
void const_int()
{
    *(int*)cull = 0; // expected-warning{{Dereference of null pointer}}
}

static int * const spc = 0;
void static_ptr()
{
    *spc = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc = 0;
void const_ptr()
{
    *pc = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull_nonnull = 4;
void nonnull_int()
{
    *(int*)(cull_nonnull - 4) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc_nonnull = (int*)sizeof(int);
void nonnull_ptr()
{
    *(pc_nonnull - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const constcast = const_cast<int * const>((int*)sizeof(int));
void cast1()
{
    *(constcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const recast = reinterpret_cast<int*>(sizeof(int));
void cast2()
{
    *(recast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const staticcast = static_cast<int * const>((int*)sizeof(int));
void cast3()
{
    *(staticcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct Foo { int a; };
Foo * const dyncast = dynamic_cast<Foo * const>((Foo*)sizeof(Foo));
void cast4()
{
    // Do not handle dynamic_cast for now, because it may change the pointer value.
    (dyncast - 1)->a = 0; // no-warning
}

typedef int * const intptrconst;
int * const funccast = intptrconst(sizeof(int));
void cast5()
{
    *(funccast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S1
{
    int * p;
};
const S1 s1 = {
    .p = (int*)sizeof(int)
};
void conststruct()
{
    *(s1.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S2
{
    int * const p;
};
S2 s2 = {
    .p = (int*)sizeof(int)
};
void constfield()
{
    *(s2.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const parr[1] = { (int*)sizeof(int) };
void constarr()
{
    *(parr[0] - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S3
{
    int * p = (int*)sizeof(int);
};
void recordinit()
{
    S3 s3;
    *(s3.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}
@


1.1.1.1
log
@Import clang r337282 from trunk
@
text
@@


1.1.1.2
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.4.1
log
@file globals.cpp was added on branch phil-wifi on 2019-06-10 21:45:35 +0000
@
text
@d1 111
@


1.1.1.1.4.2
log
@Sync with HEAD
@
text
@a0 111
// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s


static const unsigned long long scull = 0;
void static_int()
{
    *(int*)scull = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull = 0;
void const_int()
{
    *(int*)cull = 0; // expected-warning{{Dereference of null pointer}}
}

static int * const spc = 0;
void static_ptr()
{
    *spc = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc = 0;
void const_ptr()
{
    *pc = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull_nonnull = 4;
void nonnull_int()
{
    *(int*)(cull_nonnull - 4) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc_nonnull = (int*)sizeof(int);
void nonnull_ptr()
{
    *(pc_nonnull - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const constcast = const_cast<int * const>((int*)sizeof(int));
void cast1()
{
    *(constcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const recast = reinterpret_cast<int*>(sizeof(int));
void cast2()
{
    *(recast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const staticcast = static_cast<int * const>((int*)sizeof(int));
void cast3()
{
    *(staticcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct Foo { int a; };
Foo * const dyncast = dynamic_cast<Foo * const>((Foo*)sizeof(Foo));
void cast4()
{
    // Do not handle dynamic_cast for now, because it may change the pointer value.
    (dyncast - 1)->a = 0; // no-warning
}

typedef int * const intptrconst;
int * const funccast = intptrconst(sizeof(int));
void cast5()
{
    *(funccast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S1
{
    int * p;
};
const S1 s1 = {
    .p = (int*)sizeof(int)
};
void conststruct()
{
    *(s1.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S2
{
    int * const p;
};
S2 s2 = {
    .p = (int*)sizeof(int)
};
void constfield()
{
    *(s2.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const parr[1] = { (int*)sizeof(int) };
void constarr()
{
    *(parr[0] - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S3
{
    int * p = (int*)sizeof(int);
};
void recordinit()
{
    S3 s3;
    *(s3.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}
@


1.1.1.1.4.3
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.1.2.1
log
@file globals.cpp was added on branch pgoyette-compat on 2018-07-28 04:33:28 +0000
@
text
@d1 111
@


1.1.1.1.2.2
log
@Sync with HEAD
@
text
@a0 111
// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s


static const unsigned long long scull = 0;
void static_int()
{
    *(int*)scull = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull = 0;
void const_int()
{
    *(int*)cull = 0; // expected-warning{{Dereference of null pointer}}
}

static int * const spc = 0;
void static_ptr()
{
    *spc = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc = 0;
void const_ptr()
{
    *pc = 0; // expected-warning{{Dereference of null pointer}}
}

const unsigned long long cull_nonnull = 4;
void nonnull_int()
{
    *(int*)(cull_nonnull - 4) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const pc_nonnull = (int*)sizeof(int);
void nonnull_ptr()
{
    *(pc_nonnull - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const constcast = const_cast<int * const>((int*)sizeof(int));
void cast1()
{
    *(constcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const recast = reinterpret_cast<int*>(sizeof(int));
void cast2()
{
    *(recast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const staticcast = static_cast<int * const>((int*)sizeof(int));
void cast3()
{
    *(staticcast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct Foo { int a; };
Foo * const dyncast = dynamic_cast<Foo * const>((Foo*)sizeof(Foo));
void cast4()
{
    // Do not handle dynamic_cast for now, because it may change the pointer value.
    (dyncast - 1)->a = 0; // no-warning
}

typedef int * const intptrconst;
int * const funccast = intptrconst(sizeof(int));
void cast5()
{
    *(funccast - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S1
{
    int * p;
};
const S1 s1 = {
    .p = (int*)sizeof(int)
};
void conststruct()
{
    *(s1.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S2
{
    int * const p;
};
S2 s2 = {
    .p = (int*)sizeof(int)
};
void constfield()
{
    *(s2.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

int * const parr[1] = { (int*)sizeof(int) };
void constarr()
{
    *(parr[0] - 1) = 0; // expected-warning{{Dereference of null pointer}}
}

struct S3
{
    int * p = (int*)sizeof(int);
};
void recordinit()
{
    S3 s3;
    *(s3.p - 1) = 0; // expected-warning{{Dereference of null pointer}}
}
@