-ftree-coalesce-vars is enabled in FSF GCC trunk by default. Disabling it will prevent the issue occuring for reduced test case in GCC FSF trunk.
I believe this flag is not available in GCC branch.
-ftree- coalesce- vars is enabled in FSF GCC trunk by default. Disabling it will prevent the issue occuring for reduced test case in GCC FSF trunk.
I believe this flag is not available in GCC branch.