diff options
| author | David Bolvansky <david.bolvansky@gmail.com> | 2018-10-18 20:49:06 +0000 |
|---|---|---|
| committer | David Bolvansky <david.bolvansky@gmail.com> | 2018-10-18 20:49:06 +0000 |
| commit | 3b6ae57654a5cedcf06ae8fd43f704fa5940342a (patch) | |
| tree | 37dab75d77e4a89cfac5531fe264891fe124aa3e /clang/test/Sema/integer-overflow.c | |
| parent | 1b051b2910cbe9cbf477bf65de1670c07b3c6d11 (diff) | |
| download | bcm5719-llvm-3b6ae57654a5cedcf06ae8fd43f704fa5940342a.tar.gz bcm5719-llvm-3b6ae57654a5cedcf06ae8fd43f704fa5940342a.zip | |
[Diagnostics] Check for integer overflow in array size expressions
Summary: Fixes PR27439
Reviewers: rsmith, Rakete1111
Reviewed By: rsmith
Subscribers: Rakete1111, cfe-commits
Differential Revision: https://reviews.llvm.org/D52750
llvm-svn: 344759
Diffstat (limited to 'clang/test/Sema/integer-overflow.c')
| -rw-r--r-- | clang/test/Sema/integer-overflow.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/test/Sema/integer-overflow.c b/clang/test/Sema/integer-overflow.c index d66ce7ff164..39395d9bc1f 100644 --- a/clang/test/Sema/integer-overflow.c +++ b/clang/test/Sema/integer-overflow.c @@ -172,6 +172,9 @@ void check_integer_overflows_in_function_calls() { // expected-warning@+1 {{overflow in expression; result is 536870912 with type 'int'}} (void)f2(0, f0(4608 * 1024 * 1024)); } +void check_integer_overflows_in_array_size() { + int arr[4608 * 1024 * 1024]; // expected-warning {{overflow in expression; result is 536870912 with type 'int'}} +} struct s { unsigned x; |
