[libunwind][AIX] Cast NULL as type uintptr_t. (#93204)

xingxue-ibm · web-flow · commit 42b5daba504a · 2024-05-23T16:06:21.000-04:00
Casting NULL as type `uintptr_t` to allow type checking in both 32-bit
and 64-bit mode.
diff --git a/libunwind/src/UnwindCursor.hpp b/libunwind/src/UnwindCursor.hpp
@@ -2416,7 +2416,7 @@ int UnwindCursor<A, R>::stepWithTBTable(pint_t pc, tbtable *TBTable,
     }
 
     // Reset LR in the current context.
-    newRegisters.setLR(NULL);
+    newRegisters.setLR(static_cast<uintptr_t>(NULL));
 
     _LIBUNWIND_TRACE_UNWINDING(
         "Extract info from lastStack=%p, returnAddress=%p",

Original file line number	Diff line number	Diff line change
`@@ -2416,7 +2416,7 @@ int UnwindCursor<A, R>::stepWithTBTable(pint_t pc, tbtable *TBTable,`
`2416`	`2416`	`}`
`2417`	`2417`
`2418`	`2418`	`// Reset LR in the current context.`
`2419`		`- newRegisters.setLR(NULL);`
	`2419`	`+ newRegisters.setLR(static_cast<uintptr_t>(NULL));`
`2420`	`2420`
`2421`	`2421`	`_LIBUNWIND_TRACE_UNWINDING(`
`2422`	`2422`	`"Extract info from lastStack=%p, returnAddress=%p",`