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Enable leak sanitizer test case #68244

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Merged
merged 1 commit into from
Jan 16, 2020
Merged

Enable leak sanitizer test case #68244

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6 changes: 1 addition & 5 deletions src/test/run-make-fulldeps/sanitizer-leak/Makefile
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Original file line number Diff line number Diff line change
@@ -1,11 +1,7 @@
-include ../tools.mk

# needs-sanitizer-support
# only-linux
# only-x86_64
# ignore-test
# FIXME(#46126) ThinLTO for libstd broke this test

all:
$(RUSTC) -C opt-level=1 -g -Z sanitizer=leak -Z print-link-args leak.rs | $(CGREP) rustc_rt.lsan
$(RUSTC) -O -Z sanitizer=leak -Z print-link-args leak.rs | $(CGREP) rustc_rt.lsan
$(TMPDIR)/leak 2>&1 | $(CGREP) 'detected memory leaks'
11 changes: 9 additions & 2 deletions src/test/run-make-fulldeps/sanitizer-leak/leak.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,13 @@
#![feature(test)]

use std::hint::black_box;
use std::mem;

fn main() {
let xs = vec![1, 2, 3, 4];
mem::forget(xs);
for _ in 0..10 {
let xs = vec![1, 2, 3];
// Prevent compiler from removing the memory allocation.
let xs = black_box(xs);
mem::forget(xs);
}
}