[clang] [llvm] [DebugInfo] Emit DW_AT_bit_size for _BitInt types and others (PR #164372)

[Orlando Cazalet-Hyams via cfe-commits]

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@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -x c++ %s -debug-info-kind=standalone -gno-column-info -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -x c   %s -debug-info-kind=standalone -gno-column-info -emit-llvm -o - | FileCheck %s
+
+unsigned _BitInt(17) a;
+_BitInt(2) b;
+
+// CHECK: !DIBasicType(name: "_BitInt", size: 8, data_size: 2, encoding: DW_ATE_signed)
+// CHECK: !DIBasicType(name: "unsigned _BitInt", size: 32,  data_size: 17, encoding: DW_ATE_unsigned)
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OCHyams wrote:

Looks like you're right there, changed to dataSize.

https://github.com/llvm/llvm-project/pull/164372