You would not believe how long it took to find this

ojhunt · ojhunt · commit d70e80219a05 · 2025-10-14T20:59:00.000-07:00
diff --git a/libunwind/src/DwarfParser.hpp b/libunwind/src/DwarfParser.hpp
@@ -405,7 +405,7 @@ const char *CFI_Parser<A>::parseCIE(A &addressSpace, pint_t cie,
           // schema. If we could guarantee the encoding of the personality we
           // could avoid this by simply giving resultAddr the correct ptrauth
           // schema and performing an assignment.
-#ifdef __ARM64E__
+#if defined(__arm64e__)
           const auto oldDiscriminator = resultAddr;
 #else
           const auto oldDiscriminator = ptrauth_blend_discriminator(
diff --git a/libunwind/src/UnwindLevel1.c b/libunwind/src/UnwindLevel1.c
@@ -607,7 +607,7 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) {
   unw_word_t result;
   __unw_get_reg(cursor, UNW_REG_IP, &result);
 
-#if defined(__ARM64E__)
+#if defined(__arm64e__)
   // If we are in an arm64e frame, then the PC should have been signed with the
   // sp
   {

Original file line number	Diff line number	Diff line change
`@@ -607,7 +607,7 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) {`
`607`	`607`	`unw_word_t result;`
`608`	`608`	`__unw_get_reg(cursor, UNW_REG_IP, &result);`
`609`	`609`
`610`		`-#if defined(__ARM64E__)`
	`610`	`+#if defined(__arm64e__)`
`611`	`611`	`// If we are in an arm64e frame, then the PC should have been signed with the`
`612`	`612`	`// sp`
`613`	`613`	`{`