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Added extra test case to check proper handling of archaic array indexing: 4[A] 

llvm-svn: 41147
This commit is contained in:
Ted Kremenek 2007-08-17 22:17:23 +00:00
parent cec2ad95f4
commit cb173fc7d0
1 changed files with 89 additions and 0 deletions
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89
clang/test/Sema/return-stack-addr.cpp Normal file
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// RUN: clang -parse-ast-check %s
int* ret_local() {
int x = 1;
return &x; // expected-warning {{address of stack memory}}
}
int* ret_local_array() {
int x[10];
return x; // expected-warning {{address of stack memory}}
}
int* ret_local_array_element(int i) {
int x[10];
return &x[i]; // expected-warning {{address of stack memory}}
}
int *ret_local_array_element_reversed(int i) {
int x[10];
return &i[x]; // expected-warning {{address of stack memory}}
}
int* ret_local_array_element_const_index() {
int x[10];
return &x[2]; // expected-warning {{address of stack memory}}
}
int& ret_local_ref() {
int x = 1;
return x; // expected-warning {{reference to stack memory}}
}
int* ret_local_addrOf() {
int x = 1;
return &*&x; // expected-warning {{address of stack memory}}
}
int* ret_local_addrOf_paren() {
int x = 1;
return (&(*(&x))); // expected-warning {{address of stack memory}}
}
int* ret_local_addrOf_ptr_arith() {
int x = 1;
return &*(&x+1); // expected-warning {{address of stack memory}}
}
int* ret_local_addrOf_ptr_arith2() {
int x = 1;
return &*(&x+1); // expected-warning {{address of stack memory}}
}
int* ret_local_field() {
struct { int x; } a;
return &a.x; // expected-warning {{address of stack memory}}
}
int& ret_local_field_ref() {
struct { int x; } a;
return a.x; // expected-warning {{reference to stack memory}}
}
int* ret_conditional(bool cond) {
int x = 1;
int y = 2;
return cond ? &x : &y; // expected-warning {{address of stack memory}}
}
int* ret_conditional_rhs(int *x, bool cond) {
int y = 1;
return cond ? x : &y; // expected-warning {{address of stack memory}}
}
void* ret_c_cast() {
int x = 1;
return (void*) &x; // expected-warning {{address of stack memory}}
}
int* ret_static_var() {
static int x = 1;
return &x; // no warning.
}
int z = 1;
int* ret_global() {
return &z; // no warning.
}