Align suppression PC handling with getCallerLocation(), so function suppressions identify the inlined function that caused a report. Intentionally match only the innermost inline frame. Extend suppressions-nested-calls.c coverage to -O1. Fixes https://github.com/llvm/llvm-project/issues/209501 --------- Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> (cherry picked from commit a376783e2ed3a44f63991c97513711faad09525b)