"died due to signal 11" in collectionstests on arm-android

[kennytm]

Symptom: The arm-android test failed with the following messages:

[01:44:38] died due to signal 11
[01:44:38] error: test failed, to rerun pass '--test collectionstests'
[01:44:38] 
[01:44:38] 
[01:44:38] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "test" "--target" "arm-linux-androideabi" "-j" "4" "--release" "--locked" "--color" "always" "--features" "panic-unwind backtrace" "--manifest-path" "/checkout/src/libstd/Cargo.toml" "-p" "alloc" "--"
[01:44:38] expected success, got: exit code: 3
[01:44:38] 
[01:44:38] 
[01:44:38] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test --target arm-linux-androideabi
[01:44:38] Build completed unsuccessfully in 1:32:50

Previous instances:

• Bubble up an overflow error so that rustdoc can ignore it #55717 (comment) (2018-11-08T05:44:13Z)
• Rollup of 17 pull requests #55859 (comment) (2018-11-11T03:44:11Z)
• Use read_unaligned instead of read in transmute_copy #55052 (comment)

This might be caused by a mis-optimization like #49775.

[alexcrichton]

Added #55052 (comment) to the list