1 files changed, 27 insertions, 7 deletions

diff --git a/deps/icu-small/source/i18n/number_scientific.cpp b/deps/icu-small/source/i18n/number_scientific.cpp
index 40952024e99..07c1ce9dac2 100644
--- a/deps/icu-small/source/i18n/number_scientific.cpp
+++ b/deps/icu-small/source/i18n/number_scientific.cpp
@@ -76,17 +76,16 @@ int32_t ScientificModifier::apply(NumberStringBuilder &output, int32_t /*leftInd
     return i - rightIndex;
 }
 
-int32_t ScientificModifier::getPrefixLength(UErrorCode &status) const {
-    (void)status;
+int32_t ScientificModifier::getPrefixLength() const {
     // TODO: Localized exponent separator location.
     return 0;
 }
 
-int32_t ScientificModifier::getCodePointCount(UErrorCode &status) const {
-    (void)status;
-    // This method is not used for strong modifiers.
-    U_ASSERT(false);
-    return 0;
+int32_t ScientificModifier::getCodePointCount() const {
+    // NOTE: This method is only called one place, NumberRangeFormatterImpl.
+    // The call site only cares about != 0 and != 1.
+    // Return a very large value so that if this method is used elsewhere, we should notice.
+    return 999;
 }
 
 bool ScientificModifier::isStrong() const {
@@ -94,6 +93,27 @@ bool ScientificModifier::isStrong() const {
     return true;
 }
 
+bool ScientificModifier::containsField(UNumberFormatFields field) const {
+    (void)field;
+    // This method is not used for inner modifiers.
+    U_ASSERT(false);
+    return false;
+}
+
+void ScientificModifier::getParameters(Parameters& output) const {
+    // Not part of any plural sets
+    output.obj = nullptr;
+}
+
+bool ScientificModifier::semanticallyEquivalent(const Modifier& other) const {
+    auto* _other = dynamic_cast<const ScientificModifier*>(&other);
+    if (_other == nullptr) {
+        return false;
+    }
+    // TODO: Check for locale symbols and settings as well? Could be less efficient.
+    return fExponent == _other->fExponent;
+}
+
 // Note: Visual Studio does not compile this function without full name space. Why?
 icu::number::impl::ScientificHandler::ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols,
 	const MicroPropsGenerator *parent) :