Cray compiler errors

Summary of run-time errors in `e3sm_developer` tests with Cray compiler on Theta (35 out of 46 pass):
```
*** ERS.f19_g16.I1850GSWCNPECACNTBC.theta_cray.elm-eca_f19_g16_I1850GSWCNPECACNTBC
*** ERS.f19_g16.I20TRGSWCNPECACNTBC.theta_cray.elm-eca_f19_g16_I20TRGSWCNPECACNTBC
6: Oxygen demands exceed oxygen available. Error in oxygen competition (mol/m^3/s), c,j: NaN, 6490, 1
6: Latdeg,Londeg= 17.999999999999901, 345.
6: ENDRUN: ERROR: Oxygen demands exceed oxygen available.ERROR in E3SM/components/elm/src/biogeochem/CH4Mod.F90 at line 3099

*** ERS.f19_g16.I1850GSWCNPRDCTCBC.theta_cray.elm-ctc_f19_g16_I1850GSWCNPRDCTCBC
*** ERS.f19_g16.I20TRGSWCNPRDCTCBC.theta_cray.elm-ctc_f19_g16_I20TRGSWCNPRDCTCBC
5: Methane demands exceed methane available. Error in methane competition (mol/m^3/s), c,j: NaN, 5453, 8
5: Latdeg,Londeg= 74.842105263157706, 65.
5: ENDRUN: ERROR: Methane demands exceed methane available.ERROR in E3SM/components/elm/src/biogeochem/CH4Mod.F90 at line 3082

*** ERS_Ld20.f45_f45.IELMFATES.theta_cray.elm-fates
32: Unacceptable retranslocation calculated
32: organ: 6 element: 1
32: retranslocation fraction: 2.18174374923998474E+243
32: Exiting
32: ENDRUN:ERROR in E3SM/components/elm/src/external_models/fates/parteh/PRTLossFluxesMod.F90 at line 743

*** SMS.T62_oQU120_ais20.MPAS_LISIO_TEST.theta_cray
ERROR: mass conservation error in snow_redist 5.95353595140598644E-5, NaN
ERROR: klyr 5, 4*1

*** SMS_Ln5.ne4pg2_ne4pg2.FC5AV1C-L.theta_cray
*** ERS_Ln5.ne4pg2_ne4pg2.FC5AV1C-L.theta_cray.eam-thetahy_sl_pg2
*** SMS_Ln5.ne4pg2_ne4pg2.FC5AV1C-L.theta_cray.eam-thetahy_sl_pg2
SHR_REPROSUM_CALC: Input contains 0.80000E+01 NaNs and 0.00000E+00 INFs on process 0
ERROR: shr_reprosum_calc ERROR: NaNs or INFs in input

*** ERP_Ln9.ne4_ne4.FC5AV1C-L.theta_cray
*** SMS_P12x2.ne4_oQU240.A_WCYCL1850.theta_cray.allactive-mach_mods
```