Patch to allow Ada to work with tree-ssa

[Andrew Haley]

Richard Kenner writes:
 >     Though I've not been able to fully analyse it, very likely
 >     this is the patch that is causing 2 new FAILs for libjava
 >     on i686-pc-linux-gnu. (If not, I apologise in advance.)
 > 
 > Could well be. 
 >         
 >     The testcase is "libjava/testsuite/libjava.lang/err6.java"
 >     and is reproduced here for your reference:
 > 
 > Could I ask for somebody's help here?  I don't even know the Java language,
 > let alone the Java front end.
 > 
 > I somebody could point out what tree transformation is going wrong, I'll
 > be glad to fix it.

It seems that something has changed the depth-first, left-to-right
parsing of expressions.  Have you any idea what might have caused this?

Andrew.