Updated glslang.

3rdparty/glslang/StandAlone/StandAlone.cpp

@@ -772,8 +772,17 @@ void ProcessArguments(std::vector<std::unique_ptr<glslang::TWorkItem>>& workItem
         Error("must provide -S when --stdin is given");
 
     // Make sure that -E is not specified alongside linking (which includes SPV generation)
-    if ((Options & EOptionOutputPreprocessed) && (Options & EOptionLinkProgram))
-        Error("can't use -E when linking is selected");
+    // Or things that require linking
+    if (Options & EOptionOutputPreprocessed) {
+        if (Options & EOptionLinkProgram)
+            Error("can't use -E when linking is selected");
+        if (Options & EOptionDumpReflection)
+            Error("reflection requires linking, which can't be used when -E when is selected");
+    }
+
+    // reflection requires linking
+    if ((Options & EOptionDumpReflection) && !(Options & EOptionLinkProgram))
+        Error("reflection requires -l for linking");
 
     // -o or -x makes no sense if there is no target binary
     if (binaryFileName && (Options & EOptionSpv) == 0)
@@ -1512,7 +1521,7 @@ void usage()
            "  -l          link all input files together to form a single module\n"
            "  -m          memory leak mode\n"
            "  -o <file>   save binary to <file>, requires a binary option (e.g., -V)\n"
-           "  -q          dump reflection query database\n"
+           "  -q          dump reflection query database; requires -l for linking\n"
            "  -r | --relaxed-errors"
            "              relaxed GLSL semantic error-checking mode\n"
            "  -s          silence syntax and semantic error reporting\n"