After doing a binary search, the first revision which breaks bootstrap on my environment with Ada enabled is the following:
r178353 | vries | 2011-08-31 09:04:25 +0200 (Wed, 31 Aug 2011) | 8 lines 2011-08-31 Tom de Vries <t...@codesourcery.com> PR middle-end/43513 * Makefile.in (tree-ssa-ccp.o): Add $(PARAMS_H) to rule. * tree-ssa-ccp.c (params.h): Include. (fold_builtin_alloca_for_var): New function. (ccp_fold_stmt): Use fold_builtin_alloca_for_var. Which makes sense, since Ada uses alloca a lot, much more than other languages. In other words, none of the changes in the Ada repository is reponsible for this regression. So Tom and/or Richard, could you please have a look at this regression? TIA. Arno