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Rename -Wc++20-designator to -Wc++2a-designator for consistency and add 

some test coverage for the flag.

llvm-svn: 370689
This commit is contained in:
Richard Smith 2019-09-02 23:27:54 +00:00
parent 34a38a3b54
commit ea366122d2
2 changed files with 12 additions and 11 deletions
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4
clang/include/clang/Basic/DiagnosticGroups.td
View File

@ -146,9 +146,9 @@ def Deprecated : DiagGroup<"deprecated", [DeprecatedAttributes,
DeprecatedWritableStr]>,
DiagCategory<"Deprecations">;
def CXX2aDesignator : DiagGroup<"c++20-designator">;
def CXX2aDesignator : DiagGroup<"c++2a-designator">;
// Allow -Wno-c99-designator to be used to turn off all warnings on valid C99
// designators (including the warning controlled by -Wc++20-designator).
// designators (including the warning controlled by -Wc++2a-designator).
def C99Designator : DiagGroup<"c99-designator", [CXX2aDesignator]>;
def GNUDesignator : DiagGroup<"gnu-designator">;

19
clang/test/SemaCXX/cxx2a-initializer-aggregates.cpp
View File

@ -1,17 +1,18 @@
// RUN: %clang_cc1 -std=c++2a %s -verify=expected,pedantic,override,reorder -pedantic-errors
// RUN: %clang_cc1 -std=c++2a %s -verify=expected,pedantic -Werror=c99-designator -Wno-reorder-init-list -Wno-initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=expected,reorder -Wno-c99-designator -Werror=reorder-init-list -Wno-initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=expected,override -Wno-c99-designator -Wno-reorder-init-list -Werror=initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify -Wno-c99-designator -Wno-reorder-init-list -Wno-initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=cxx20,expected,pedantic,override,reorder -pedantic-errors
// RUN: %clang_cc1 -std=c++17 %s -verify=expected,pedantic,override,reorder -Wno-c++2a-designator -pedantic-errors
// RUN: %clang_cc1 -std=c++2a %s -verify=cxx20,expected,pedantic -Werror=c99-designator -Wno-reorder-init-list -Wno-initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=cxx20,expected,reorder -Wno-c99-designator -Werror=reorder-init-list -Wno-initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=cxx20,expected,override -Wno-c99-designator -Wno-reorder-init-list -Werror=initializer-overrides
// RUN: %clang_cc1 -std=c++2a %s -verify=cxx20,expected -Wno-c99-designator -Wno-reorder-init-list -Wno-initializer-overrides
namespace class_with_ctor {
struct A { // expected-note 6{{candidate}}
A() = default; // expected-note 3{{candidate}}
struct A { // cxx20-note 6{{candidate}}
A() = default; // cxx20-note 3{{candidate}}
int x;
int y;
};
A a = {1, 2}; // expected-error {{no matching constructor}}
A a = {1, 2}; // cxx20-error {{no matching constructor}}
struct B {
int x;
@ -24,7 +25,7 @@ namespace class_with_ctor {
A a;
};
C c1 = {{}, {}}; // ok, call default ctor twice
C c2 = {{1, 2}, {3, 4}}; // expected-error 2{{no matching constructor}}
C c2 = {{1, 2}, {3, 4}}; // cxx20-error 2{{no matching constructor}}
}
namespace designator {