Regressed by https://github.com/unicode-org/icu/commit/c3fe7e09d844

ext/intl/breakiterator/codepointiterator_internal.cpp:60:53: error: use of undeclared identifier 'FALSE'
        this->fText = utext_clone(this->fText, that.fText, FALSE, TRUE, &uec);
                                                           ^
ext/intl/breakiterator/codepointiterator_internal.cpp:60:60: error: use of undeclared identifier 'TRUE'
        this->fText = utext_clone(this->fText, that.fText, FALSE, TRUE, &uec);
                                                                  ^
ext/intl/breakiterator/codepointiterator_internal.cpp:80:10: error: use of undeclared identifier 'FALSE'
                return FALSE;
                       ^
ext/intl/breakiterator/codepointiterator_internal.cpp:87:10: error: use of undeclared identifier 'FALSE'
                return FALSE;
                       ^
ext/intl/breakiterator/codepointiterator_internal.cpp:90:9: error: use of undeclared identifier 'TRUE'
        return TRUE;
               ^
ext/intl/breakiterator/codepointiterator_internal.cpp:111:42: error: use of undeclared identifier 'FALSE'
        return utext_clone(fillIn, this->fText, FALSE, TRUE, &status);
                                                ^
ext/intl/breakiterator/codepointiterator_internal.cpp:111:49: error: use of undeclared identifier 'TRUE'
        return utext_clone(fillIn, this->fText, FALSE, TRUE, &status);
                                                       ^
ext/intl/breakiterator/codepointiterator_internal.cpp:130:47: error: use of undeclared identifier 'FALSE'
        this->fText = utext_clone(this->fText, text, FALSE, TRUE, &status);
                                                     ^
ext/intl/breakiterator/codepointiterator_internal.cpp:130:54: error: use of undeclared identifier 'TRUE'
        this->fText = utext_clone(this->fText, text, FALSE, TRUE, &status);
                                                            ^
ext/intl/breakiterator/codepointiterator_internal.cpp:282:48: error: use of undeclared identifier 'FALSE'
        this->fText = utext_clone(this->fText, input, FALSE, TRUE, &status);
                                                      ^
ext/intl/breakiterator/codepointiterator_internal.cpp:282:55: error: use of undeclared identifier 'TRUE'
        this->fText = utext_clone(this->fText, input, FALSE, TRUE, &status);
                                                             ^
ext/intl/collator/collator_sort.c:349:26: error: use of undeclared identifier 'TRUE'
        collator_sort_internal( TRUE, INTERNAL_FUNCTION_PARAM_PASSTHRU );
                                ^
ext/intl/collator/collator_sort.c:543:26: error: use of undeclared identifier 'FALSE'
        collator_sort_internal( FALSE, INTERNAL_FUNCTION_PARAM_PASSTHRU );
                                ^
ext/intl/dateformat/dateformat_attr.c:91:36: error: use of undeclared identifier 'FALSE'
        zend_bool   is_pattern_localized =FALSE;
                                          ^
ext/intl/dateformat/dateformat_attr.c:134:36: error: use of undeclared identifier 'FALSE'
        zend_bool   is_pattern_localized =FALSE;
                                          ^
ext/intl/dateformat/dateformat_attr.c:230:25: error: use of undeclared identifier 'FALSE'
        zend_bool isLenient  = FALSE;
                               ^
ext/intl/normalizer/normalizer_normalize.c:95:10: error: use of undeclared identifier 'FALSE'
                return FALSE;
                       ^
ext/intl/normalizer/normalizer_normalize.c:181:16: error: use of undeclared identifier 'FALSE'
        UBool           uret = FALSE;
                               ^
ext/intl/timezone/timezone_class.cpp:324:21: error: use of undeclared identifier 'FALSE'
        tz->getOffset(now, FALSE, rawOffset, dstOffset, uec);
                           ^
ext/intl/timezone/timezone_methods.cpp:94:57: error: use of undeclared identifier 'FALSE'
        tz = timezone_convert_datetimezone(tzobj->type, tzobj, FALSE, NULL,
                                                               ^

--- breakiterator/codepointiterator_internal.cpp.orig	2020-09-29 10:17:14 UTC
+++ breakiterator/codepointiterator_internal.cpp
@@ -58,7 +58,7 @@ CodePointBreakIterator& CodePointBreakIterator::operat
 		return *this;
 	}
 
-	this->fText = utext_clone(this->fText, that.fText, FALSE, TRUE, &uec);
+	this->fText = utext_clone(this->fText, that.fText, false, true, &uec);
 
 	//don't bother copying the character iterator, getText() is deprecated
 	clearCurrentCharIter();
@@ -78,17 +78,17 @@ CodePointBreakIterator::~CodePointBreakIterator()
 UBool CodePointBreakIterator::operator==(const BreakIterator& that) const
 {
 	if (typeid(*this) != typeid(that)) {
-		return FALSE;
+		return false;
 	}
 
 	const CodePointBreakIterator& that2 =
 		static_cast<const CodePointBreakIterator&>(that);
 
 	if (!utext_equals(this->fText, that2.fText)) {
-		return FALSE;
+		return false;
 	}
 
-	return TRUE;
+	return true;
 }
 
 CodePointBreakIterator* CodePointBreakIterator::clone(void) const
@@ -109,7 +109,7 @@ CharacterIterator& CodePointBreakIterator::getText(voi
 
 UText *CodePointBreakIterator::getUText(UText *fillIn, UErrorCode &status) const
 {
-	return utext_clone(fillIn, this->fText, FALSE, TRUE, &status);
+	return utext_clone(fillIn, this->fText, false, true, &status);
 }
 
 void CodePointBreakIterator::setText(const UnicodeString &text)
@@ -128,7 +128,7 @@ void CodePointBreakIterator::setText(UText *text, UErr
 		return;
 	}
 
-	this->fText = utext_clone(this->fText, text, FALSE, TRUE, &status);
+	this->fText = utext_clone(this->fText, text, false, true, &status);
 
 	clearCurrentCharIter();
 }
@@ -280,7 +280,7 @@ CodePointBreakIterator &CodePointBreakIterator::refres
 	}
 
 	int64_t pos = utext_getNativeIndex(this->fText);
-	this->fText = utext_clone(this->fText, input, FALSE, TRUE, &status);
+	this->fText = utext_clone(this->fText, input, false, true, &status);
 	if (U_FAILURE(status)) {
 		return *this;
 	}
--- collator/collator_sort.c.orig	2020-09-29 10:17:14 UTC
+++ collator/collator_sort.c
@@ -346,7 +346,7 @@ static void collator_sort_internal( int renumber, INTE
  */
 PHP_FUNCTION( collator_sort )
 {
-	collator_sort_internal( TRUE, INTERNAL_FUNCTION_PARAM_PASSTHRU );
+	collator_sort_internal( true, INTERNAL_FUNCTION_PARAM_PASSTHRU );
 }
 /* }}} */
 
@@ -540,7 +540,7 @@ PHP_FUNCTION( collator_sort_with_sort_keys )
  */
 PHP_FUNCTION( collator_asort )
 {
-	collator_sort_internal( FALSE, INTERNAL_FUNCTION_PARAM_PASSTHRU );
+	collator_sort_internal( false, INTERNAL_FUNCTION_PARAM_PASSTHRU );
 }
 /* }}} */
 
--- dateformat/dateformat_attr.c.orig	2020-09-29 10:17:13 UTC
+++ dateformat/dateformat_attr.c
@@ -88,7 +88,7 @@ PHP_FUNCTION( datefmt_get_pattern )
 	UChar  value_buf[64];
 	uint32_t    length = USIZE( value_buf );
 	UChar* value  = value_buf;
-	zend_bool   is_pattern_localized =FALSE;
+	zend_bool   is_pattern_localized = false;
 
 	DATE_FORMAT_METHOD_INIT_VARS;
 
@@ -131,7 +131,7 @@ PHP_FUNCTION( datefmt_set_pattern )
 	size_t      value_len = 0;
 	int32_t     slength = 0;
 	UChar*	    svalue  = NULL;
-	zend_bool   is_pattern_localized =FALSE;
+	zend_bool   is_pattern_localized = false;
 
 
 	DATE_FORMAT_METHOD_INIT_VARS;
@@ -227,7 +227,7 @@ PHP_FUNCTION( datefmt_is_lenient )
  */
 PHP_FUNCTION( datefmt_set_lenient )
 {
-	zend_bool isLenient  = FALSE;
+	zend_bool isLenient  = false;
 
 	DATE_FORMAT_METHOD_INIT_VARS;
 
--- normalizer/normalizer_normalize.c.orig	2020-09-29 10:17:14 UTC
+++ normalizer/normalizer_normalize.c
@@ -90,7 +90,7 @@ static UBool intl_is_normalized(zend_long form, const 
 	const UNormalizer2 *norm = intl_get_normalizer(form, err);
 
 	if(U_FAILURE(*err)) {
-		return FALSE;
+		return false;
 	}
 
 	return unorm2_isNormalized(norm, uinput, uinput_len, err);
@@ -261,7 +261,7 @@ PHP_FUNCTION( normalizer_is_normalized )
 	int		uinput_len = 0;
 	UErrorCode	status = U_ZERO_ERROR;
 
-	UBool		uret = FALSE;
+	UBool		uret = false;
 
 	intl_error_reset( NULL );
 
--- timezone/timezone_class.cpp.orig	2020-09-29 10:17:14 UTC
+++ timezone/timezone_class.cpp
@@ -325,7 +325,7 @@ static HashTable *TimeZone_get_debug_info(zval *object
 
 	int32_t rawOffset, dstOffset;
 	UDate now = Calendar::getNow();
-	tz->getOffset(now, FALSE, rawOffset, dstOffset, uec);
+	tz->getOffset(now, false, rawOffset, dstOffset, uec);
 	if (U_FAILURE(uec)) {
 		return debug_info;
 	}
--- timezone/timezone_methods.cpp.orig	2020-09-29 10:17:14 UTC
+++ timezone/timezone_methods.cpp
@@ -95,7 +95,7 @@ U_CFUNC PHP_FUNCTION(intltz_from_date_time_zone)
 		RETURN_NULL();
 	}
 
-	tz = timezone_convert_datetimezone(tzobj->type, tzobj, FALSE, NULL,
+	tz = timezone_convert_datetimezone(tzobj->type, tzobj, false, NULL,
 		"intltz_from_date_time_zone");
 	if (tz == NULL) {
 		RETURN_NULL();