flambda-backend: To upstream: remove Compflags, add attributes, etc.

.depend

@@ -249,6 +249,7 @@ parsing/builtin_attributes.cmo : \
     utils/misc.cmi \
     parsing/longident.cmi \
     parsing/location.cmi \
+    utils/clflags.cmi \
     parsing/asttypes.cmi \
     parsing/builtin_attributes.cmi
 parsing/builtin_attributes.cmx : \
@@ -257,6 +258,7 @@ parsing/builtin_attributes.cmx : \
     utils/misc.cmx \
     parsing/longident.cmx \
     parsing/location.cmx \
+    utils/clflags.cmx \
     parsing/asttypes.cmi \
     parsing/builtin_attributes.cmi
 parsing/builtin_attributes.cmi : \
@@ -2471,14 +2473,12 @@ asmcomp/emit.cmo : \
     asmcomp/x86_gas.cmi \
     asmcomp/x86_dsl.cmi \
     asmcomp/x86_ast.cmi \
-    utils/warnings.cmi \
     asmcomp/reg.cmi \
     asmcomp/proc.cmi \
     asmcomp/printmach.cmi \
     utils/numbers.cmi \
     utils/misc.cmi \
     asmcomp/mach.cmi \
-    parsing/location.cmi \
     asmcomp/linear.cmi \
     lambda/lambda.cmi \
     asmcomp/emitaux.cmi \
@@ -2497,14 +2497,12 @@ asmcomp/emit.cmx : \
     asmcomp/x86_gas.cmx \
     asmcomp/x86_dsl.cmx \
     asmcomp/x86_ast.cmi \
-    utils/warnings.cmx \
     asmcomp/reg.cmx \
     asmcomp/proc.cmx \
     asmcomp/printmach.cmx \
     utils/numbers.cmx \
     utils/misc.cmx \
     asmcomp/mach.cmx \
-    parsing/location.cmx \
     asmcomp/linear.cmx \
     lambda/lambda.cmx \
     asmcomp/emitaux.cmx \