[flang-commits] [flang] [Flang] malloc(1) on AIX as malloc(0) returns nullptr (PR #73878)

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@@ -75,7 +75,14 @@ RT_API_ATTRS int CFI_allocate(CFI_cdesc_t *descriptor,
     dim->sm = byteSize;
     byteSize *= extent;
   }
+#ifdef _AIX
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jeanPerier wrote:

+1, and I think you should do that regardless of the platform since std::malloc(0) is undefined.

This is also done like that for the allocations from Fortran since: https://github.com/llvm/llvm-project/pull/66124

https://github.com/llvm/llvm-project/pull/73878