GLSL reflection: Fix #985: reflect runtime sized arrays having no constant index.

Test/baseResults/reflection.vert.out

@@ -73,6 +73,7 @@ abl2.foo: offset 0, type 1406, size 1, index 11, binding -1
 buf1.runtimeArray: offset 4, type 1406, size 4, index 12, binding -1
 buf2.runtimeArray.c: offset 8, type 1406, size 1, index 13, binding -1
 buf3.runtimeArray: offset 4, type 1406, size 0, index 14, binding -1
+buf4.runtimeArray.c: offset 8, type 1406, size 1, index 15, binding -1
 anonMember1: offset 0, type 8b51, size 1, index 0, binding -1
 uf1: offset -1, type 1406, size 1, index -1, binding -1
 uf2: offset -1, type 1406, size 1, index -1, binding -1

glslang/MachineIndependent/reflection.cpp

@@ -181,7 +181,7 @@ public:
             switch (visitNode->getOp()) {
             case EOpIndexIndirect:
                 // Visit all the indices of this array, and for each one add on the remaining dereferencing
-                for (int i = 0; i < visitNode->getLeft()->getType().getOuterArraySize(); ++i) {
+                for (int i = 0; i < std::max(visitNode->getLeft()->getType().getOuterArraySize(), 1); ++i) {
                     TString newBaseName = name;
                     if (baseType.getBasicType() != EbtBlock)
                         newBaseName.append(TString("[") + String(i) + "]");
@@ -216,7 +216,7 @@ public:
             if (terminalType->isArray()) {
                 // Visit all the indices of this array, and for each one,
                 // fully explode the remaining aggregate to dereference
-                for (int i = 0; i < terminalType->getOuterArraySize(); ++i) {
+                for (int i = 0; i < std::max(terminalType->getOuterArraySize(), 1); ++i) {
                     TString newBaseName = name;
                     newBaseName.append(TString("[") + String(i) + "]");
                     TType derefType(*terminalType, 0);