tree c2d4e98acf579dd3d1b54f775064c879875ed441
parent 80562599669df54434939299da7444313a1748b3
author Patrick Williams <patrick@stwcx.xyz> 1630179826 -0500
committer Patrick Williams <patrick@stwcx.xyz> 1630179916 -0500

exception: added guards around builtin redefinition

clang fails to compile with this repository when the builtin's
for source locations are redefined.  Detect their presence with
the appropriate builtin-check and avoid redefinition when
they are unnecessary.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie7905b10f0ca187586ffce95597979a719793348