Index: Fortran/UnitTests/fcvs21_f95/CMakeLists.txt
===================================================================
--- Fortran/UnitTests/fcvs21_f95/CMakeLists.txt
+++ Fortran/UnitTests/fcvs21_f95/CMakeLists.txt
@@ -47,6 +47,7 @@
 set(Source ${SPECIAL_CASES})
 if (FCVS_ALLOW_FLEXIBLE_OUTPUT)
   set(FP_IGNOREWHITESPACE ON)
+  set(FP_TOLERANCE 1.0e-7) # FM905 needs a higher relative tolerance than the rest
 endif()
 llvm_singlesource()
 set(Source)