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Re: HEAD regression: All java tests are failing with an ICE whenoptimized


Ranjit Mathew writes:
 > Andrew Haley wrote:
 > > HEAD, clean build this morning.  i686-linux-gnu.
 > > 
 > > With the libgcj "make check", there are many identical failures.
 > > 
 > > These are of the form
 > > 
 > > PR4766.java: In class 'PR4766':
 > > PR4766.java: In method 'PR4766.myfunction()':
 > > PR4766.java:0: internal compiler error: in hash_scan_set, at postreload-gcse.c:741
 > > Please submit a full bug report,
 > > with preprocessed source if appropriate.
 > > See <URL:http://gcc.gnu.org/bugs.html> for instructions.
 > > compiler exited with status 1
 > > 
 > > And the ICE is always in hash_scan_set.
 > > 
 > > I do not believe that this is a Java FE bug.
 > > 
 > > Has anyone else seen this?
 > 
 > First off, I didn't when I ran my regular
 > bootstrap + libjava_check cycle. That's because
 > I use "--disable-checking".
 > 
 > Second, it's most likely caused by Nathan's assertifying
 > patch to gcc/p*.c:
 > 
 >   http://gcc.gnu.org/ml/gcc-patches/2005-04/msg00227.html
 > 
 > Note that the "#ifdef ENABLE_CHECKING" guard
 > in postreload-gcse.c (around line #741) was
 > *misspelt* before:
 > 
 >   - #ifdef ENABLE_CHEKCING
 > 
 > and was thus never being executed before.

So maybe it is a front end bug.  I'm working on it now.

Andrew.


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