[petsc-dev] valgrind error in TS in master

[Barry Smith]

http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2014/04/17/examples_master_arch-linux-pkgs-valgrind_grind.log

> ==32476== Conditional jump or move depends on uninitialised value(s)
> ==32476==    at 0x542F24A: PetscAbsScalar (petscmath.h:273)
> ==32476==    by 0x54339AC: VecNorm_Seq (bvec2.c:624)
> ==32476==    by 0x5463BE1: VecNorm (rvector.c:242)
> ==32476==    by 0x60A86CC: SNESComputeJacobianDefault (snesj.c:116)
> ==32476==    by 0x608C6AB: SNESComputeJacobian (snes.c:2245)
> ==32476==    by 0x610BD80: SNESSolve_NEWTONLS (ls.c:230)
> ==32476==    by 0x609C2EE: SNESSolve (snes.c:3794)
> ==32476==    by 0x622FCC8: TSStep_Theta (theta.c:196)
> ==32476==    by 0x61AED11: TSStep (ts.c:2635)
> ==32476==    by 0x61B0283: TSSolve (ts.c:2752)
> ==32476==    by 0x4032E9: main (ex3.c:175)
> ==32476==  Uninitialised value was created by a stack allocation
> ==32476==    at 0x4050D0: RHSfunction (ex3.c:549)
etc
etc
etc