efriedma added inline comments.
================
Comment at: clang/lib/CodeGen/CodeGenModule.cpp:4639
+ getDataLayout().getTypeAllocSize(Init->getType()));
+ assert(VarSize == CstSize && "Emitted constant has unexpected size");
+#endif
----------------
ahatanak wrote:
> This assertion fails when the following code is compiled:
>
>
> ```
> typedef unsigned char uint8_t;
> typedef uint8_t uint8_a16 __attribute__((aligned(16)));
>
> void foo1() {
> static const uint8_a16 array1[] = { 1 };
> }
> ```
`sizeof(uint8_a16[1])` is 16, but we currently emit a one-byte global. So it
seems like there's an underlying bug exposed by the assertion.
gcc thinks this is nonsense, and just prints an error.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D123649/new/
https://reviews.llvm.org/D123649
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