[compiler-rt] [scudo] change allocation buffer size with env var (PR #71703)

[Florian Mayer via llvm-commits]

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@@ -136,8 +143,17 @@ bool FlagParser::runHandler(const char *Name, const char *Value) {
       break;
     case FlagType::FT_int:
       char *ValueEnd;
-      *reinterpret_cast<int *>(Flags[I].Var) =
-          static_cast<int>(strtol(Value, &ValueEnd, 10));
+      long V = strtol(Value, &ValueEnd, 10);
+      static_assert(INT_MAX <= LONG_MAX);
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fmayer wrote:

Yes, the standard says this, but this is machine-checked documentation that this is the case.

https://github.com/llvm/llvm-project/pull/71703