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Add -Warray-bounds test showing how the warning currently interoperates with macros. 

llvm-svn: 125781
This commit is contained in:
Ted Kremenek 2011-02-17 21:40:51 +00:00
parent 57d736fd46
commit 48d9626055
1 changed files with 11 additions and 0 deletions
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11
clang/test/SemaCXX/array-bounds.cpp
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@ -74,3 +74,14 @@ template <int I> void f() {
void test_templates() {
f<5>(); // expected-note {{in instantiation}}
}
#define SIZE 10
#define ARR_IN_MACRO(flag, arr, idx) flag ? arr[idx] : 1
int test_no_warn_macro_unreachable() {
int arr[SIZE]; // expected-note 2 {{array 'arr' declared here}}
// FIXME: We don't want to warn for the first case.
return ARR_IN_MACRO(0, arr, SIZE) + // expected-warning{{array index of '10' indexes past the end of an array (that contains 10 elements)}}
ARR_IN_MACRO(1, arr, SIZE); // expected-warning{{array index of '10' indexes past the end of an array (that contains 10 elements)}}
}