ca1f1c9572
This exposes _BitInt literal suffixes __wb and u__wb as an extension in C++. There is a new Extension warning, and the tests are essentially the same as the existing _BitInt literal tests for C but with a few additional cases. Fixes #85223
24 lines
1.4 KiB
C
24 lines
1.4 KiB
C
// RUN: %clang_cc1 -std=c17 -fsyntax-only -verify=ext -Wno-unused %s
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// RUN: %clang_cc1 -std=c2x -fsyntax-only -verify=compat -Wpre-c2x-compat -Wno-unused %s
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// RUN: %clang_cc1 -fsyntax-only -verify=cpp -Wbit-int-extension -Wno-unused -x c++ %s
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#if 18446744073709551615uwb // ext-warning {{'_BitInt' suffix for literals is a C23 extension}} \
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compat-warning {{'_BitInt' suffix for literals is incompatible with C standards before C23}} \
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cpp-error {{invalid suffix 'uwb' on integer constant}}
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#endif
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#if 18446744073709551615__uwb // ext-error {{invalid suffix '__uwb' on integer constant}} \
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compat-error {{invalid suffix '__uwb' on integer constant}} \
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cpp-warning {{'_BitInt' suffix for literals is a Clang extension}}
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#endif
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void func(void) {
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18446744073709551615wb; // ext-warning {{'_BitInt' suffix for literals is a C23 extension}} \
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compat-warning {{'_BitInt' suffix for literals is incompatible with C standards before C23}} \
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cpp-error {{invalid suffix 'wb' on integer constant}}
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18446744073709551615__wb; // ext-error {{invalid suffix '__wb' on integer constant}} \
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compat-error {{invalid suffix '__wb' on integer constant}} \
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cpp-warning {{'_BitInt' suffix for literals is a Clang extension}}
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}
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