Fri Feb 10 03:21:11 PST 2006 Simon Marlow <[EMAIL PROTECTED]>
* STM fix from Tim Harris
Fixes assertion failures with STM and -debug. Tim says:
Sorry, it's a problem in how nested transactions are handled in
non-SMP builds. It'll bite when trying to commit a nested transaction
which has read from a TVar but not updated it.
The call to validate_and_acquire_ownership in
stmCommitNestedTransaction should be the same as that in
stmCommitNestedTransaction, i.e.:
result = validate_and_acquire_ownership(trec, (!use_read_phase), TRUE);
M ./ghc/rts/STM.c -1 +1
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