Avoid VLA in DWARF symbolizer

Summary: Variable length arrays are an extension to C++ standard that is not universally supported. Use a fixed size array instead.

Differential Revision: D23563131

fbshipit-source-id: 743e65838e83286ea28d8de10cd9d4416e6e4e91

folly/experimental/symbolizer/Dwarf.cpp

@@ -553,7 +553,8 @@ bool Dwarf::findLocation(
           std::min<size_t>(
               Dwarf::kMaxInlineLocationInfoPerFrame, inlineFrames.size()) +
           1;
-      detail::CallLocation callLocations[size];
+      detail::CallLocation
+          callLocations[Dwarf::kMaxInlineLocationInfoPerFrame + 1];
       size_t numFound = 0;
       findInlinedSubroutineDieForAddress(
           cu,