Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

33 lines
895 B
C

// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core,alpha.unix,alpha.security.ArrayBound -analyzer-store=region -verify %s
// expected-no-diagnostics
//===----------------------------------------------------------------------===//
// This file tests cases where we should not flag out-of-bounds warnings.
//===----------------------------------------------------------------------===//
void f() {
long x = 0;
char *y = (char*) &x;
char c = y[0] + y[1] + y[2]; // no-warning
short *z = (short*) &x;
short s = z[0] + z[1]; // no-warning
}
void g() {
int a[2];
char *b = (char*)a;
b[3] = 'c'; // no-warning
}
typedef typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
void field() {
struct vec { size_t len; int data[0]; };
struct vec *a = malloc(sizeof(struct vec) + 10*sizeof(int));
a->len = 10;
a->data[1] = 5; // no-warning
free(a);
}