[compiler-rt] [asan] Re-exec without ASLR if needed on 32-bit Linux (PR #131975)

[Thurston Dang via llvm-commits]

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@@ -107,6 +108,33 @@ void FlushUnneededASanShadowMemory(uptr p, uptr size) {
   ReleaseMemoryPagesToOS(MemToShadow(p), MemToShadow(p + size));
 }
 
+void ReExecWithoutASLR() {
+  // ASLR personality check.
+  // Caution: 'personality' is sometimes forbidden by sandboxes, so only call
+  // this function as a last resort (when the memory mapping is incompatible
+  // and ASan would fail anyway).
+  int old_personality = personality(0xffffffff);
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thurstond wrote:

Done

https://github.com/llvm/llvm-project/pull/131975