Tiling with mt corrupts the AST

Bugzilla Link	704
Created on	May 05, 2010 17:10
Resolution	WORKSFORME
Resolved on	Jul 16, 2010 15:18
Version	svn
OS	All
Architecture	PC
Attachments	matmul.sac

Extended Description

Created an attachment (id=691)
source code
sac2c 16810
stdlib 1350
developer version
sac2c -mt matmul.sac -O3 seg faults
Breaking after 17:mtstf works
Breaking after 17:mtspmdf exposes a corrupt ast.
** 17: Running automatic parallelisation ...
  **** Running multithreading cost model ...
  **** Creating MT and ST functions ...
  **** Creating SPMD functions ...
WARNING: Field Contents of node N_WLseg has non-allowed target node:
WARNING: N_wlblock
ASSERTION FAILED: file 'tree/traverse_helper.c', line 32
Illegal node type found.
EXECUTION TERMINATED
Aborted
This all works if tiling is removed or if the code is run without mt.