Index: clang/lib/Format/BreakableToken.cpp
===================================================================
--- clang/lib/Format/BreakableToken.cpp
+++ clang/lib/Format/BreakableToken.cpp
@@ -380,6 +380,8 @@
       break;
     if (!Content[i].empty() && i + 1 != e && Decoration.startswith(Content[i]))
       continue;
+    if (Content[i].startswith("*\t"))
+      continue;
     while (!Content[i].startswith(Decoration))
       Decoration = Decoration.substr(0, Decoration.size() - 1);
   }
Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -11137,6 +11137,16 @@
   FormatStyle Style = getLLVMStyle();
   Style.ColumnLimit = 20;
 
+  // See PR41213
+  EXPECT_EQ("/*\n"
+            " * 456789012345678\n"
+            " * /x\n"
+            " */",
+            format("/*\n"
+                   " *\t456789012345678 /x\n"
+                   " */",
+                   Style));
+
   verifyFormat("int a; // the\n"
                "       // comment", Style);
   EXPECT_EQ("int a; /* first line\n"