[compiler-rt] [sanitizer_symbolizer] Use correct format strings for uptr (PR #89815)

[Vitaly Buka via llvm-commits]

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@@ -26,20 +26,23 @@ constexpr const char *kFormatDemangle = "{{{symbol:%s}}}";
 constexpr uptr kFormatDemangleMax = 1024;  // Arbitrary.
 
 // Function name or equivalent from PC location.
-constexpr const char *kFormatFunction = "{{{pc:%p}}}";
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vitalybuka wrote:

if uptr used for pointer, it should be `%p` but printf arg should be caster to (void*)
if it 's uptr for size, then `%zx` (for hex), or `%zu` should be used

https://github.com/llvm/llvm-project/pull/89815