diff --git a/src/sksl/SkSLASTNode.h b/src/sksl/SkSLASTNode.h
index f266e75493..84a958411d 100644
--- a/src/sksl/SkSLASTNode.h
+++ b/src/sksl/SkSLASTNode.h
@@ -18,6 +18,18 @@
 
 namespace SkSL {
 
+namespace {
+template<typename T>
+constexpr T skia_max( std::initializer_list<T> list )
+{
+T max = *list.begin();
+for(auto i: list)
+    if( max < i )
+        max = i;
+return max;
+}
+}
+
 /**
  * Represents a node in the abstract syntax tree (AST). The AST is based directly on the parse tree;
  * it is a parsed-but-not-yet-analyzed version of the program.
@@ -233,7 +245,7 @@ struct ASTNode {
         // We use fBytes as a union which can hold any type of AST node, and use placement-new to
         // copy AST objects into fBytes. Note that none of the AST objects have interesting
         // destructors, so we do not bother doing a placement-delete on any of them in ~NodeData.
-        char fBytes[std::max({sizeof(Operator),
+        char fBytes[skia_max({sizeof(Operator),
                               sizeof(skstd::string_view),
                               sizeof(bool),
                               sizeof(SKSL_INT),