[clang] ae45145 - Create a warning flag for 'warn_conv_*_not_used'
Ronald Wampler via cfe-commits
cfe-commits at lists.llvm.org
Wed Jun 10 06:10:32 PDT 2020
Author: Ronald Wampler
Date: 2020-06-10T09:09:48-04:00
New Revision: ae451454e32db48793afc76e0c5f2bcbda878995
URL: https://github.com/llvm/llvm-project/commit/ae451454e32db48793afc76e0c5f2bcbda878995
DIFF: https://github.com/llvm/llvm-project/commit/ae451454e32db48793afc76e0c5f2bcbda878995.diff
LOG: Create a warning flag for 'warn_conv_*_not_used'
These warnings are grouped under '-Wclass-conversion' to be compatiable with GCC 9.
Differential Revision: https://reviews.llvm.org/D78442
Added:
Modified:
clang/include/clang/Basic/DiagnosticGroups.td
clang/include/clang/Basic/DiagnosticSemaKinds.td
clang/test/Misc/warning-flags.c
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/DiagnosticGroups.td b/clang/include/clang/Basic/DiagnosticGroups.td
index 451310a8c3a6..23f530dd4e1f 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -60,6 +60,7 @@ def UndefinedBoolConversion : DiagGroup<"undefined-bool-conversion">;
def BoolConversion : DiagGroup<"bool-conversion", [PointerBoolConversion,
UndefinedBoolConversion]>;
def IntConversion : DiagGroup<"int-conversion">;
+def ClassConversion: DiagGroup<"class-conversion">;
def DeprecatedEnumCompareConditional :
DiagGroup<"deprecated-enum-compare-conditional">;
def EnumCompareConditional : DiagGroup<"enum-compare-conditional",
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 84bcf66a148e..ffe9513f8208 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -8589,11 +8589,14 @@ def err_conv_function_with_complex_decl : Error<
def err_conv_function_redeclared : Error<
"conversion function cannot be redeclared">;
def warn_conv_to_self_not_used : Warning<
- "conversion function converting %0 to itself will never be used">;
+ "conversion function converting %0 to itself will never be used">,
+ InGroup<ClassConversion>;
def warn_conv_to_base_not_used : Warning<
- "conversion function converting %0 to its base class %1 will never be used">;
+ "conversion function converting %0 to its base class %1 will never be used">,
+ InGroup<ClassConversion>;
def warn_conv_to_void_not_used : Warning<
- "conversion function converting %0 to %1 will never be used">;
+ "conversion function converting %0 to %1 will never be used">,
+ InGroup<ClassConversion>;
def warn_not_compound_assign : Warning<
"use of unary operator that may be intended as compound assignment (%0=)">;
diff --git a/clang/test/Misc/warning-flags.c b/clang/test/Misc/warning-flags.c
index aff90dd6f1d3..841c748b8025 100644
--- a/clang/test/Misc/warning-flags.c
+++ b/clang/test/Misc/warning-flags.c
@@ -18,7 +18,8 @@ This test serves two purposes:
The list of warnings below should NEVER grow. It should gradually shrink to 0.
-CHECK: Warnings without flags (72):
+CHECK: Warnings without flags (69):
+
CHECK-NEXT: ext_expected_semi_decl_list
CHECK-NEXT: ext_explicit_specialization_storage_class
CHECK-NEXT: ext_missing_declspec
@@ -41,9 +42,6 @@ CHECK-NEXT: warn_case_empty_range
CHECK-NEXT: warn_char_constant_too_large
CHECK-NEXT: warn_collection_expr_type
CHECK-NEXT: warn_conflicting_variadic
-CHECK-NEXT: warn_conv_to_base_not_used
-CHECK-NEXT: warn_conv_to_self_not_used
-CHECK-NEXT: warn_conv_to_void_not_used
CHECK-NEXT: warn_delete_array_type
CHECK-NEXT: warn_double_const_requires_fp64
CHECK-NEXT: warn_drv_assuming_mfloat_abi_is
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