| Message ID | 20100615103353.GB12135@virgil.suse.cz |
|---|---|
| State | New |
| Headers | show |
On Tue, 15 Jun 2010, Martin Jambor wrote: > Hi, > > the patch below fixes PR 44464. IPA-SRA currently leaves behind a > danglig reference to old PARAM_DECLs in dead but still existing > SSA_NAMEs which means we can bump into it unexpectedly later on like > in the bug. Releasing the SSA_NAMEs appropriately deals with these > problems. > > Bootstrapped and tested on x86-64-linux without any problems. OK for > trunk and later on for the 4.5 branch too? Ok. Thanks, Richard. > Thanks, > > Martin > > > 2010-06-14 Martin Jambor <mjambor@suse.cz> > > PR lto/44464 > * tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name > on the newly dead SSA name. > > Index: mine/gcc/tree-sra.c > =================================================================== > --- mine.orig/gcc/tree-sra.c > +++ mine/gcc/tree-sra.c > @@ -3883,6 +3883,7 @@ replace_removed_params_ssa_names (gimple > gimple_phi_set_result (stmt, name); > > replace_uses_by (lhs, name); > + release_ssa_name (lhs); > return true; > } > > >
Index: mine/gcc/tree-sra.c =================================================================== --- mine.orig/gcc/tree-sra.c +++ mine/gcc/tree-sra.c @@ -3883,6 +3883,7 @@ replace_removed_params_ssa_names (gimple gimple_phi_set_result (stmt, name); replace_uses_by (lhs, name); + release_ssa_name (lhs); return true; }