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Diffstat (limited to 'tests/ui/mir/mir_heavy_promoted.rs')
-rw-r--r-- | tests/ui/mir/mir_heavy_promoted.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/mir/mir_heavy_promoted.rs b/tests/ui/mir/mir_heavy_promoted.rs new file mode 100644 index 000000000..092299880 --- /dev/null +++ b/tests/ui/mir/mir_heavy_promoted.rs @@ -0,0 +1,11 @@ +// run-pass +// ignore-emscripten apparently only works in optimized mode + +const TEST_DATA: [u8; 32 * 1024 * 1024] = [42; 32 * 1024 * 1024]; + +// Check that the promoted copy of TEST_DATA doesn't +// leave an alloca from an unused temp behind, which, +// without optimizations, can still blow the stack. +fn main() { + println!("{}", TEST_DATA.len()); +} |