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9e3fad9ea3
It was previously the natural type alignment, defined as the maximum of the field alignments for an aggregate. Make sure an explicit `align(N)` overrides it. fix Issue 17857
49 lines
1.1 KiB
D
49 lines
1.1 KiB
D
struct S1 // overall alignment: max(1, 1) = 1
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{
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byte[5] bytes;
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struct // overall alignment: max(1, 1) = 1
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{
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byte byte1;
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align(1) int int1;
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}
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}
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static assert(S1.int1.offsetof == 6);
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static assert(S1.alignof == 1);
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static assert(S1.sizeof == 10);
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class C2 // overall alignment: max(vtbl.alignof, monitor.alignof, 1, 2)
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{
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byte[5] bytes;
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struct // overall alignment: max(1, 2) = 2
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{
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byte byte1;
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align(2) int int1;
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}
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}
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enum payloadOffset = C2.bytes.offsetof;
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static assert(C2.int1.offsetof == payloadOffset + 8);
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static assert(C2.alignof == size_t.sizeof);
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static assert(__traits(classInstanceSize, C2) == payloadOffset + 12);
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align(8) struct PaddedStruct
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{
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bool flag;
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align(2) S1 s1;
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}
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static assert(PaddedStruct.s1.offsetof == 2);
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static assert(PaddedStruct.alignof == 8);
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static assert(PaddedStruct.sizeof == 16);
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align(1) struct UglyStruct
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{
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bool flag;
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int i;
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ubyte u;
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}
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static assert(UglyStruct.i.offsetof == 4);
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static assert(UglyStruct.alignof == 1);
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static assert(UglyStruct.sizeof == 9);
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