[PATCH] D56241: expose a control flag for interger to pointer ext warning

[abdoul-kader keita via Phabricator via cfe-commits]

Kader created this revision.
Kader added a project: clang.
Herald added a subscriber: cfe-commits.

While building openJDK11u, it seems that some of the code in the native core libraries make liberal use of integer to pointer comparisons. We currently have no flag to disabled this warning. This add such a flag.


Repository:
  rC Clang

https://reviews.llvm.org/D56241

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  test/Misc/warning-flags.c


Index: test/Misc/warning-flags.c
===================================================================
--- test/Misc/warning-flags.c
+++ test/Misc/warning-flags.c
@@ -18,7 +18,7 @@
 
 The list of warnings below should NEVER grow.  It should gradually shrink to 0.
 
-CHECK: Warnings without flags (75):
+CHECK: Warnings without flags (74):
 CHECK-NEXT:   ext_excess_initializers
 CHECK-NEXT:   ext_excess_initializers_in_char_array_initializer
 CHECK-NEXT:   ext_expected_semi_decl_list
@@ -29,7 +29,6 @@
 CHECK-NEXT:   ext_new_paren_array_nonconst
 CHECK-NEXT:   ext_plain_complex
 CHECK-NEXT:   ext_template_arg_extra_parens
-CHECK-NEXT:   ext_typecheck_comparison_of_pointer_integer
 CHECK-NEXT:   ext_typecheck_cond_incompatible_operands
 CHECK-NEXT:   ext_typecheck_ordered_comparison_of_pointer_integer
 CHECK-NEXT:   ext_using_undefined_std
Index: include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- include/clang/Basic/DiagnosticSemaKinds.td
+++ include/clang/Basic/DiagnosticSemaKinds.td
@@ -5875,7 +5875,8 @@
 def err_typecheck_comparison_of_fptr_to_void : Error<
   "equality comparison between function pointer and void pointer (%0 and %1)">;
 def ext_typecheck_comparison_of_pointer_integer : ExtWarn<
-  "comparison between pointer and integer (%0 and %1)">;
+  "comparison between pointer and integer (%0 and %1)">,
+  InGroup<DiagGroup<"pointer-integer-compare">>;
 def err_typecheck_comparison_of_pointer_integer : Error<
   "comparison between pointer and integer (%0 and %1)">;
 def ext_typecheck_comparison_of_distinct_pointers : ExtWarn<


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