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1 // Note: %s must be preceded by --, otherwise it may be interpreted as a
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2 // command-line option, e.g. on Mac where %s is commonly under /Users.
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3
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4 // Test that 'clang-cl /E' treats inputs as C++ if the extension is
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5 // unrecognized. midl relies on this. See PR40140.
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6
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7 // Use a plain .cpp extension first.
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8 // RUN: %clang_cl /E -- %s | FileCheck %s
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9
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10 // Copy to use .idl as the extension.
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11 // RUN: cp %s %t.idl
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12 // RUN: %clang_cl /E -- %t.idl | FileCheck %s
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13
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14 #ifdef __cplusplus
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15 struct IsCPlusPlus {};
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16 #endif
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17
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18 // CHECK: struct IsCPlusPlus {};
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