ret = yyparse(...) is dropped in PaParseStrings. Submitted by timeless.

src/compiler/glslang.l

@@ -309,7 +309,7 @@ int PaParseStrings(char* argv[], int strLen[], int argc, TParseContext& parseCon
    
     if (*cpp->PaStrLen >= 0) {    
         int ret = yyparse((void*)(&parseContextLocal));
-        if (cpp->CompileError == 1 || parseContextLocal.recoveredFromError || parseContextLocal.numErrors > 0)
+        if (ret || cpp->CompileError == 1 || parseContextLocal.recoveredFromError || parseContextLocal.numErrors > 0)
              return 1;
         else
              return 0;