diff -up chromium-64.0.3282.119/third_party/angle/src/compiler/translator/StaticType.h.gcc-constexpr chromium-64.0.3282.119/third_party/angle/src/compiler/translator/StaticType.h
--- chromium-64.0.3282.119/third_party/angle/src/compiler/translator/StaticType.h.gcc-constexpr	2018-01-25 15:50:16.971171007 -0500
+++ chromium-64.0.3282.119/third_party/angle/src/compiler/translator/StaticType.h	2018-01-25 15:51:14.158053914 -0500
@@ -160,7 +160,7 @@ template <TBasicType basicType,
           TPrecision precision,
           TQualifier qualifier,
           unsigned char secondarySize>
-const TType *GetForVecMatHelper(unsigned char primarySize)
+constexpr const TType *GetForVecMatHelper(unsigned char primarySize)
 {
     static_assert(basicType == EbtFloat || basicType == EbtInt || basicType == EbtUInt ||
                       basicType == EbtBool,
@@ -186,7 +186,7 @@ const TType *GetForVecMatHelper(unsigned
 template <TBasicType basicType,
           TPrecision precision = EbpUndefined,
           TQualifier qualifier = EvqGlobal>
-const TType *GetForVecMat(unsigned char primarySize, unsigned char secondarySize = 1)
+constexpr const TType *GetForVecMat(unsigned char primarySize, unsigned char secondarySize = 1)
 {
     static_assert(basicType == EbtFloat || basicType == EbtInt || basicType == EbtUInt ||
                       basicType == EbtBool,
@@ -208,7 +208,7 @@ const TType *GetForVecMat(unsigned char
 }
 
 template <TBasicType basicType, TPrecision precision = EbpUndefined>
-const TType *GetForVec(TQualifier qualifier, unsigned char size)
+constexpr const TType *GetForVec(TQualifier qualifier, unsigned char size)
 {
     switch (qualifier)
     {
diff -up chromium-64.0.3282.119/third_party/angle/src/compiler/translator/SymbolTable.cpp.gcc-constexpr chromium-64.0.3282.119/third_party/angle/src/compiler/translator/SymbolTable.cpp
--- chromium-64.0.3282.119/third_party/angle/src/compiler/translator/SymbolTable.cpp.gcc-constexpr	2018-01-25 15:51:27.670790008 -0500
+++ chromium-64.0.3282.119/third_party/angle/src/compiler/translator/SymbolTable.cpp	2018-01-25 15:52:04.117077652 -0500
@@ -189,7 +189,7 @@ TSymbolTable::~TSymbolTable()
         pop();
 }
 
-bool IsGenType(const TType *type)
+constexpr bool IsGenType(const TType *type)
 {
     if (type)
     {
@@ -201,7 +201,7 @@ bool IsGenType(const TType *type)
     return false;
 }
 
-bool IsVecType(const TType *type)
+constexpr bool IsVecType(const TType *type)
 {
     if (type)
     {
diff -up chromium-64.0.3282.119/third_party/angle/src/compiler/translator/Types.h.gcc-constexpr chromium-64.0.3282.119/third_party/angle/src/compiler/translator/Types.h
--- chromium-64.0.3282.119/third_party/angle/src/compiler/translator/Types.h.gcc-constexpr	2018-01-25 15:52:15.042864767 -0500
+++ chromium-64.0.3282.119/third_party/angle/src/compiler/translator/Types.h	2018-01-25 15:52:56.763049389 -0500
@@ -236,13 +236,13 @@ class TType
     {
     }
 
-    TBasicType getBasicType() const { return type; }
+    constexpr TBasicType getBasicType() const { return type; }
     void setBasicType(TBasicType t);
 
     TPrecision getPrecision() const { return precision; }
     void setPrecision(TPrecision p) { precision = p; }
 
-    TQualifier getQualifier() const { return qualifier; }
+    constexpr TQualifier getQualifier() const { return qualifier; }
     void setQualifier(TQualifier q) { qualifier = q; }
 
     bool isInvariant() const { return invariant; }