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It simply doesn't know about VIEW_CONVERT_EXPR, which is a little annoying for the Ada compiler. We have a proprietary testcase for which this results in a loop invariant being wrongly hoisted out of a conditional construct.
Bootstrapped/regtested on x86_64-suse-linux, applied to mainline and 4.2 branch as obvious.
Can you add a testcase please? If this is a regression it also applies to the 4.1 branch.
Thanks, Richard.
2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
* tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
-- Eric Botcazou
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