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Make types with sizes that aren't a power of two an error (that can be disabled) in structs with ms_struct layout, except on mingw where the situation is quite likely to occur and GCC handles it silently. Differential Revision: https://reviews.llvm.org/D43908 llvm-svn: 326476
18 lines
761 B
C
18 lines
761 B
C
// RUN: %clang_cc1 -emit-llvm-only -triple i686-windows-gnu -fdump-record-layouts %s | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm-only -triple i686-linux -fdump-record-layouts -Wno-incompatible-ms-struct %s | FileCheck %s
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// RUN: not %clang_cc1 -emit-llvm-only -triple i686-linux -fdump-record-layouts %s 2>&1 | FileCheck %s -check-prefix=ERROR
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struct ldb_struct {
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char c;
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long double ldb;
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} __attribute__((__ms_struct__));
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struct ldb_struct a;
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// CHECK: 0 | struct ldb_struct
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// CHECK-NEXT: 0 | char c
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// CHECK-NEXT: 4 | long double ldb
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// CHECK-NEXT: | [sizeof=16, align=4]
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// ERROR: error: ms_struct may not produce Microsoft-compatible layouts with fundamental data types with sizes that aren't a power of two
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