diff --git a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/GCCErrorParserTests.java b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/GCCErrorParserTests.java
index 6e581d5c43a..e18f30268f7 100644
--- a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/GCCErrorParserTests.java
+++ b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/GCCErrorParserTests.java
@@ -218,4 +218,22 @@ public class GCCErrorParserTests extends GenericErrorParserTests {
 						"required from here", "conversion from 'long int' to 'float' may change value [-Wconversion]" },
 				new String[] { GCC_ERROR_PARSER_ID });
 	}
+
+	public void testGccErrorMessages_InConstexprExpansion() throws IOException {
+		runParserTest(
+				new String[] { "../can/CANBus.h: In instantiation of 'constexpr void Test::setupBitrate(T)':",
+						"../can/CANBus.h:113:6:   required from 'static auto& Test::getInstance()'",
+						"../can/CAN.cpp:19:27:   required from here",
+						"../can/CANBus.h:72:17:   in 'constexpr' expansion of 'instance.Test::Test()'",
+						"../can/CANBus.h:173:92: warning: unused parameter 'bitrate' [-Wunused-parameter]",
+						"  173 |  constexpr void setupBitrate(T bitrate) noexcept {" },
+				0, // errors
+				1, //warnings
+				3, //infos
+				new String[] { "CAN.cpp", "CANBus.h" },
+				new String[] { "required from 'static auto& Test::getInstance()'", "required from here",
+						"in 'constexpr' expansion of 'instance.Test::Test()'",
+						"unused parameter 'bitrate' [-Wunused-parameter]" },
+				new String[] { GCC_ERROR_PARSER_ID });
+	}
 }
diff --git a/core/org.eclipse.cdt.core/plugin.properties b/core/org.eclipse.cdt.core/plugin.properties
index fbcdc43c132..8cf6be710bb 100644
--- a/core/org.eclipse.cdt.core/plugin.properties
+++ b/core/org.eclipse.cdt.core/plugin.properties
@@ -58,6 +58,7 @@ CDTGNUCErrorParser.regex.ForEachFunctionItAppearsIn=(.*?):(\\d+):(\\d+:)? .*for
 CDTGNUCErrorParser.regex.ReportedOnlyOncePerInputFile=(.*?):(\\d+):(\\d+:)? .*this will be reported only once per input file.*
 CDTGNUCErrorParser.regex.InstantiatedFromHere=(.*?):(\\d+):(\\d+:)?\\s*(.*((instantiated)|(required)) from .*)
 CDTGNUCErrorParser.regex.SkippingInstantiationContexts=(.*?):(\\d+):(\\d+:)?\\s*(\\[\\s*skipping \\d+ instantiation context.*)
+CDTGNUCErrorParser.regex.InConstexprExpansion=(.*?):(\\d+):(\\d+:)?\\s*(in 'constexpr' expansion of.*)
 CDTGNUCErrorParser.regex.GenericInfo=(.*?):(\\d+):(\\d+:)?\\s*(([Nn]ote)|(NOTE)|([Ii]nfo)|(INFO)): (.*)
 CDTGNUCErrorParser.regex.ParseErrorBefore=(.*?):(\\d+):(\\d+:)? (parse error before.*[`'"](.*)['"].*)
 CDTGNUCErrorParser.regex.ErrorUndeclared=(.*?):(\\d+):(\\d+:)? [Ee]rror: ([`'"](.*)['"] undeclared .*)
diff --git a/core/org.eclipse.cdt.core/plugin.xml b/core/org.eclipse.cdt.core/plugin.xml
index d7f02eb4e65..8e1bcb7822c 100644
--- a/core/org.eclipse.cdt.core/plugin.xml
+++ b/core/org.eclipse.cdt.core/plugin.xml
@@ -201,6 +201,14 @@
                regex="%CDTGNUCErrorParser.regex.SkippingInstantiationContexts"
                severity="Info">
          </pattern>
+         <pattern
+               description-expr="$4"
+               eat-processed-line="true"
+               file-expr="$1"
+               line-expr="$2"
+               regex="%CDTGNUCErrorParser.regex.InConstexprExpansion"
+               severity="Info">
+         </pattern>
          <pattern
                description-expr="$7"
                eat-processed-line="true"