diff --git a/3rdparty/glslang b/3rdparty/glslang
index 6f125987..fa562bb9 160000
--- a/3rdparty/glslang
+++ b/3rdparty/glslang
@@ -1 +1 @@
-Subproject commit 6f12598784a553f61568eb7340cfcffd2a502317
+Subproject commit fa562bb911bdc61d087c20c2020065d511a3c1d0
diff --git a/include/glslang/MachineIndependent/ParseHelper.h b/include/glslang/MachineIndependent/ParseHelper.h
index 42bc00c7..a002f213 100644
--- a/include/glslang/MachineIndependent/ParseHelper.h
+++ b/include/glslang/MachineIndependent/ParseHelper.h
@@ -368,6 +368,8 @@ public:
     TIntermTyped* vkRelaxedRemapFunctionCall(const TSourceLoc&, TFunction*, TIntermNode*);
     // returns true if the variable was remapped to something else
     void recordUniformInitializer(const TString&, const TType&, const TConstUnionArray&);
+    void recordUniformLocation(const TString&, const TType&);
+    void atomicCounterOffsetCheck(const TSourceLoc&, const TString&, const TType&);
     bool vkRelaxedRemapUniformVariable(const TSourceLoc&, TString&, const TPublicType&, TArraySizes*, TIntermTyped*, TType&);
     void vkRelaxedRemapUniformMembers(const TSourceLoc&, const TPublicType&, const TType&, const TString&);
     void vkRelaxedRemapFunctionParameter(TFunction*, TParameter&, std::vector<int>* newParams = nullptr);
diff --git a/include/glslang/MachineIndependent/localintermediate.h b/include/glslang/MachineIndependent/localintermediate.h
index e19bc4d7..137ab279 100644
--- a/include/glslang/MachineIndependent/localintermediate.h
+++ b/include/glslang/MachineIndependent/localintermediate.h
@@ -637,6 +637,29 @@ public:
     void addUniformInitializer(TUniformInitializer&& init) { uniformInitializers.push_back(std::move(init)); }
     const std::vector<TUniformInitializer>& getUniformInitializers() const { return uniformInitializers; }
 
+    // A default-block uniform's explicit layout(location = N), recorded where Vulkan-relaxed
+    // rules DROP it.
+    //
+    // Desktop GLSL 4.3 / ARB_explicit_uniform_location lets a default-block uniform name the
+    // number glGetUniformLocation will answer for it. Vulkan-relaxed parsing sweeps such
+    // uniforms into a uniform BLOCK, where a location qualifier means nothing, so the
+    // qualifier is dropped with a warning - and once it is gone no later stage can tell the
+    // uniform ever carried one: mapIO sees layoutLocationEnd and reflection reports whatever
+    // the client's own assigner chose. The CLIENT is the only party that can still honor it,
+    // so the declared number is handed out here instead of discarded.
+    //
+    // arraySizes is the declared array shape, outer dimension first, and empty when the
+    // uniform is not an array. A client that keys these by REFLECTION name has to spell the
+    // same elements glslang's reflection will ("u[1][0]" for a float u[2][3]), and only the
+    // declaration knows the shape; a dimension glslang could not size appears as 0.
+    struct TUniformLocation {
+        std::string name;
+        int location = -1;
+        std::vector<int> arraySizes;
+    };
+    void addUniformLocation(TUniformLocation&& location) { uniformLocations.push_back(std::move(location)); }
+    const std::vector<TUniformLocation>& getUniformLocations() const { return uniformLocations; }
+
     void setAtomicCounterBlockName(const char* name) { atomicCounterBlockName = std::string(name); }
     const char* getAtomicCounterBlockName() const { return atomicCounterBlockName.c_str(); }
     void setAtomicCounterBlockSet(unsigned int set) { atomicCounterBlockSet = set; }
@@ -1250,6 +1273,7 @@ protected:
     std::string globalUniformBlockName;
     std::string atomicCounterBlockName;
     std::vector<TUniformInitializer> uniformInitializers;
+    std::vector<TUniformLocation> uniformLocations;
     unsigned int globalUniformBlockSet;
     unsigned int globalUniformBlockBinding;
     unsigned int atomicCounterBlockSet;