omega-h: update to versions 9.19.0, 9.19.1 (#9548)

* omega-h: update to versions 9.19.0, 9.19.1

* omega-h: add build conflict for gcc-8

var/spack/repos/builtin/packages/omega-h/package.py

@@ -37,6 +37,8 @@ class OmegaH(CMakePackage):
     git      = "https://github.com/ibaned/omega_h.git"
 
     version('develop', branch='master')
+    version('9.19.1', sha256='60ef65c2957ce03ef9d1b995d842fb65c32c5659d064de002c071effe66b1b1f')
+    version('9.19.0', sha256='4a1606c4e7287a1b67359cf6ef1c2d7e24b7dc379065566a1d2e0b0330c0abbd')
     version('9.15.0', sha256='342a506a0ff22f6cac759862efdcf34e360110f7901eb9b4c5de8afe38741522')
     version('9.14.0', sha256='035d0f47142f965a57818d1cb6c5c00b5ae6b5a0178b67b0bc9177fa99ba083d')
     version('9.13.14', sha256='f617dfd024c9cc323e56800ca23df3386bfa37e1b9bd378847d1f5d32d2b8e5d')
@@ -60,6 +62,9 @@ class OmegaH(CMakePackage):
     depends_on('trilinos +kokkos +teuchos', when='+trilinos')
     depends_on('zlib', when='+zlib')
 
+    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86610
+    conflicts('%gcc@8:')
+
     def _bob_options(self):
         cmake_var_prefix = 'Omega_h_CXX_'
         for variant in ['optimize', 'symbols', 'warnings']: