diff --git a/lib/checkbufferoverrun.cpp b/lib/checkbufferoverrun.cpp
index 24eea8508..74427ae1f 100644
--- a/lib/checkbufferoverrun.cpp
+++ b/lib/checkbufferoverrun.cpp
@@ -1066,7 +1066,7 @@ void CheckBufferOverrun::checkGlobalAndLocalVariable()
 {
     // check string literals
     for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next()) {
-        if (Token::Match(tok, "%str% [")) {
+        if (Token::Match(tok, "%str% [") && tok->next()->astOperand2()) {
             const std::size_t strLen = Token::getStrLength(tok);
             const ValueFlow::Value *value = tok->next()->astOperand2()->getMaxValue(false);
             if (value && value->intvalue > strLen)
diff --git a/test/testgarbage.cpp b/test/testgarbage.cpp
index d6f3a56d2..f8c312fd1 100644
--- a/test/testgarbage.cpp
+++ b/test/testgarbage.cpp
@@ -202,6 +202,7 @@ private:
         TEST_CASE(garbageCode151); // #4175
         TEST_CASE(garbageCode152); // travis after 9c7271a5
         TEST_CASE(garbageCode153);
+        TEST_CASE(garbageCode154); // #7112
 
 
         TEST_CASE(garbageValueFlow);
@@ -1218,6 +1219,10 @@ private:
         ASSERT_THROW(checkCode("enum { X = << { X } } { X X } enum { X = << { ( X ) } } { } X */"), InternalError);
     }
 
+    void garbageCode154() {
+        checkCode("\"abc\"[];");
+    }
+
     void garbageValueFlow() {
         // #6089
         const char* code = "{} int foo(struct, x1, struct x2, x3, int, x5, x6, x7)\n"