| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core.builtin -verify -DCHECK_FOR_CRASH %s |
|---|
| 2 | // RUN: %clang_analyze_cc1 -analyzer-checker=core -verify -analyzer-output=text %s |
|---|
| 3 | |
|---|
| 4 | #ifdef CHECK_FOR_CRASH |
|---|
| 5 | // expected-no-diagnostics |
|---|
| 6 | #endif |
|---|
| 7 | |
|---|
| 8 | namespace PerformTrivialCopyForUndefs { |
|---|
| 9 | struct A { |
|---|
| 10 | int x; |
|---|
| 11 | }; |
|---|
| 12 | |
|---|
| 13 | struct B { |
|---|
| 14 | A a; |
|---|
| 15 | }; |
|---|
| 16 | |
|---|
| 17 | struct C { |
|---|
| 18 | B b; |
|---|
| 19 | }; |
|---|
| 20 | |
|---|
| 21 | void foo() { |
|---|
| 22 | C c1; |
|---|
| 23 | C *c2; |
|---|
| 24 | #ifdef CHECK_FOR_CRASH |
|---|
| 25 | // If the value of variable is not defined and checkers that check undefined |
|---|
| 26 | // values are not enabled, performTrivialCopy should be able to handle the |
|---|
| 27 | // case with undefined values, too. |
|---|
| 28 | c1.b.a = c2->b.a; |
|---|
| 29 | #else |
|---|
| 30 | c1.b.a = c2->b.a; // expected-warning{{1st function call argument is an uninitialized value}} |
|---|
| 31 | // expected-note@-1{{1st function call argument is an uninitialized value}} |
|---|
| 32 | #endif |
|---|
| 33 | } |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | |
|---|