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0d9919d362
This reverts commit f2583f3acf.
There is a large body of non-conforming C-like code using format strings
like this:
#define PRIuS "zu"
void h(size_t foo, size_t bar) {
printf("foo is %"PRIuS", bar is %"PRIuS, foo, bar);
}
Rejecting this code would be very disruptive. We could decide to do
that, but it's sufficiently disruptive that I think it requires
gathering more community consensus with an RFC, and Aaron indicated [1]
it's OK to revert for now so continuous testing systems can see past
this issue while we decide what to do.
[1] https://reviews.llvm.org/D153156#4607717
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// RUN: %clang_cc1 -std=c++11 -ast-print %s | FileCheck %s
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// CHECK: auto operator""_foo(const char *p, decltype(sizeof(int))) -> decltype(nullptr);
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auto operator"" _foo(const char *p, decltype(sizeof(int))) -> decltype(nullptr);
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// CHECK: decltype(""_foo) operator""_bar(unsigned long long);
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decltype(""_foo) operator"" _bar(unsigned long long);
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// CHECK: decltype(42_bar) operator""_baz(long double);
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decltype(42_bar) operator"" _baz(long double);
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// CHECK: decltype(4.5_baz) operator""_baz(char);
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decltype(4.5_baz) operator"" _baz(char);
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// CHECK: const char *operator""_quux(const char *);
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const char *operator"" _quux(const char *);
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// CHECK: template <char ...> const char *operator""_fritz();
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template<char...> const char *operator"" _fritz();
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// CHECK: const char *p1 = "bar1"_foo;
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const char *p1 = "bar1"_foo;
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// CHECK: const char *p2 = "bar2"_foo;
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const char *p2 = R"x(bar2)x"_foo;
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// CHECK: const char *p3 = u8"bar3"_foo;
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const char *p3 = u8"bar3"_foo;
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// CHECK: const char *p4 = 297_bar;
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const char *p4 = 0x129_bar;
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// CHECK: const char *p5 = 1.0E+12_baz;
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const char *p5 = 1e12_baz;
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// CHECK: const char *p6 = 'x'_baz;
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const char *p6 = 'x'_baz;
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// CHECK: const char *p7 = 123_quux;
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const char *p7 = 123_quux;
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// CHECK: const char *p8 = 4.9_quux;
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const char *p8 = 4.9_quux;
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// CHECK: const char *p9 = 0x42e3F_fritz;
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const char *p9 = 0x42e3F_fritz;
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// CHECK: const char *p10 = 3.300e+15_fritz;
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const char *p10 = 3.300e+15_fritz;
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template <class C, C...> const char *operator"" _suffix();
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// CHECK: const char *PR23120 = operator""_suffix<char32_t, U'\U00010437'>();
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const char *PR23120 = U"𐐷"_suffix;
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// PR28885
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struct A {
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A();
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};
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struct B : A {
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using A::A; // CHECK: using A::A;
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}; // CHECK-NEXT: };
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// CHECK: ;
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;
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// CHECK-NOT: ;
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void g(int n) {
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int buffer[n]; // CHECK: int buffer[n];
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[&buffer]() {}(); // CHECK: [&buffer]
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}
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