[compiler-rt] [compiler-rt] Write ASAN/TSAN reports to a global for crash reporting (PR #200526)

[Vitaly Buka via llvm-commits]

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@@ -139,71 +139,100 @@ static const char *ExternalMopDesc(bool first, bool write) {
                : (write ? "Previous modifying" : "Previous read-only");
 }
 
-static void PrintMop(const ReportMop *mop, bool first) {
+#  define Output(...)                                            \
+    if (out) {                                                   \
+      int written = internal_snprintf(out, outlen, __VA_ARGS__); \
+      out += written;                                            \
+      outlen -= written;                                         \
+    } else {                                                     \
+      Printf(__VA_ARGS__);                                       \
+    }
+
+static void PrintMop(const ReportMop* mop, bool first, char* out = nullptr,
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vitalybuka wrote:

please use InternalScopedString& out

https://github.com/llvm/llvm-project/pull/200526