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Diagnostics for narrowing conversions in initializer lists are currently DefaultIgnored in Microsoft mode. But MSVC 2015 did add warnings about narrowing conversions (C2397), so clang-cl can remove its special case code if MSCompatibilityVersion is new enough. (In MSVC, C2397 is just a warning and in clang it's default-mapped to an error, but it can be remapped, and disabled with -Wno-c++11-narrowing, so that should be fine.) Fixes PR37314. https://reviews.llvm.org/D48296 llvm-svn: 335082
18 lines
684 B
C++
18 lines
684 B
C++
// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -fms-compatibility-version=19.0 -std=c++11
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int ai[] = { 1, 2.0 }; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{silence}}
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template<typename T>
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struct Agg {
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T t;
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};
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void f(int i) {
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// Constant expression.
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Agg<float> f8 = {1E50}; // expected-error {{constant expression evaluates to 1.000000e+50 which cannot be narrowed to type 'float'}} expected-note {{silence}}
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// Non-constant expression.
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double d = 1.0;
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Agg<float> f2 = {d}; // expected-error {{non-constant-expression cannot be narrowed from type 'double' to 'float'}} expected-note {{silence}}
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}
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