[libc] Fix hdrgen to be compatible with Python 3.8

[frobtech]

No description provided.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Roland McGrath (frobtech)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/127265.diff

1 Files Affected:

• (modified) libc/utils/hdrgen/header.py (+6-8)

diff --git a/libc/utils/hdrgen/header.py b/libc/utils/hdrgen/header.py
index c817c02b83b75..b03535ce90bfc 100644
--- a/libc/utils/hdrgen/header.py
+++ b/libc/utils/hdrgen/header.py
@@ -23,14 +23,12 @@
     "ptr",
 ]
 
-COMPILER_HEADER_TYPES = (
-    {
-        "bool": "<stdbool.h>",
-        "va_list": "<stdarg.h>",
-    }
-    | {f"int{size}_t": "<stdint.h>" for size in STDINT_SIZES}
-    | {f"uint{size}_t": "<stdint.h>" for size in STDINT_SIZES}
-)
+COMPILER_HEADER_TYPES = {
+    "bool": "<stdbool.h>",
+    "va_list": "<stdarg.h>",
+}
+COMPILER_HEADER_TYPES.update({f"int{size}_t": "<stdint.h>" for size in STDINT_SIZES})
+COMPILER_HEADER_TYPES.update({f"uint{size}_t": "<stdint.h>" for size in STDINT_SIZES})
 
 
 class HeaderFile: