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// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core,debug.ExprInspection -verify -analyzer-config eagerly-assume=false -triple x86_64-pc-linux-gnu %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core,debug.ExprInspection -verify -analyzer-config eagerly-assume=false -triple i386-pc-linux-gnu %s
int clang_analyzer_eval(int);
typedef struct {
int a : 1;
int b[2];
} BITFIELD_CAST;
void array_struct_bitfield_1() {
BITFIELD_CAST ff = {0};
BITFIELD_CAST *pff = &ff;
clang_analyzer_eval(*((int *)pff + 1) == 0); // expected-warning{{TRUE}}
ff.b[0] = 3;
clang_analyzer_eval(*((int *)pff + 1) == 3); // expected-warning{{TRUE}}
}
int array_struct_bitfield_2() {
BITFIELD_CAST ff = {0};
BITFIELD_CAST *pff = &ff;
int a = *((int *)pff + 2); // expected-warning{{Assigned value is garbage or undefined [core.uninitialized.Assign]}}
return a;
}
typedef struct {
unsigned int a : 1;
unsigned int x : 31;
unsigned int c : 1;
int b[2];
} mystruct;
void array_struct_bitfield_3() {
mystruct ff;
mystruct *pff = &ff;
ff.b[0] = 3;
clang_analyzer_eval(*((int *)pff + 2) == 3); // expected-warning{{TRUE}}
}
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