diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index d5a02c03c..0d11f48a0 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -8508,6 +8508,12 @@ void Tokenizer::findGarbageCode() const
             unknownMacroError(tok->linkAt(1)->previous());
     }
 
+    // Assign/increment/decrement literal
+    for (const Token *tok = tokens(); tok; tok = tok->next()) {
+        if (Token::Match(tok,"%num%|%str%|%char% %assign%|++|--"))
+            syntaxError(tok);
+    }
+
     for (const Token *tok = tokens(); tok; tok = tok->next()) {
         if (Token::Match(tok, "if|while|for|switch")) { // if|while|for|switch (EXPR) { ... }
             if (tok->previous() && !Token::Match(tok->previous(), "%name%|:|;|{|}|(|)|,"))
diff --git a/test/testgarbage.cpp b/test/testgarbage.cpp
index ae2f2743d..4ba896d05 100644
--- a/test/testgarbage.cpp
+++ b/test/testgarbage.cpp
@@ -1654,6 +1654,7 @@ private:
 
     void syntaxErrorFuzzerCliType1() {
         ASSERT_THROW(checkCode("void f(){x=0,return return''[]()}"), InternalError);
+        ASSERT_THROW(checkCode("void f(){x='0'++'0'(return)[];}"), InternalError); // #9063
     }
 
     void enumTrailingComma() {