xref: /llvm-project/clang/test/Analysis/PR37855.c (revision a393e68b27fcc8b78256407c99c6179acea056fe)
1 // RUN: %clang_cc1 -analyze -analyzer-checker=core -w -DNO_CROSSCHECK -verify %s
2 // RUN: %clang_cc1 -analyze -analyzer-checker=core -w -analyzer-config crosscheck-with-z3=true -verify %s
3 // REQUIRES: z3
4 
5 typedef struct o p;
6 struct o {
7   struct {
8   } s;
9 };
10 
11 void q(*r, p2) { r < p2; }
12 
k(l,node)13 void k(l, node) {
14   struct {
15     p *node;
16   } * n, *nodep, path[sizeof(void)];
17   path->node = l;
18   for (n = path; node != l;) {
19     q(node, n->node);
20     nodep = n;
21   }
22   if (nodep) // expected-warning {{Branch condition evaluates to a garbage value}}
23     n[1].node->s;
24 }
25