btrfs-progs: tests: add script to scan results for some known runtime errors

Signed-off-by: David Sterba <dsterba@suse.com>

tests/scan-results.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# look for some error messages in all test logs
+
+for i in *.txt; do
+	echo "Scanning $i"
+	last=
+	while read line; do
+		case "$line" in
+			===\ Entering*) last="$line" ;;
+			*Assertion*failed*) echo "ASSERTION FAILED: $last" ;;
+			*runtime\ error*) echo "RUNTIME ERROR (sanitizer): $last" ;;
+			*) : ;;
+		esac
+	done < "$i"
+done