COMP: code adjustments for gcc-13 (#2714)

src/OpenFOAM/db/dictionary/functionEntries/evalEntry/evalEntry.C

@@ -174,7 +174,7 @@ Foam::tokenList Foam::functionEntries::evalEntry::evaluate
         result.writeField(toks);
     }
 
-    return std::move(toks);
+    return tokenList(std::move(toks.tokens()));
 }
 
 

src/OpenFOAM/matrices/Matrix/Matrix.C

@@ -202,7 +202,8 @@ inline Foam::Matrix<Form, Type>::Matrix
 )
 :
     mRows_(Mb.m()),
-    nCols_(Mb.n())
+    nCols_(Mb.n()),
+    v_(nullptr)
 {
     doAlloc();
 
@@ -224,7 +225,8 @@ inline Foam::Matrix<Form, Type>::Matrix
 )
 :
     mRows_(Mb.m()),
-    nCols_(Mb.n())
+    nCols_(Mb.n()),
+    v_(nullptr)
 {
     doAlloc();
 

src/OpenFOAM/primitives/strings/word/word.C

@@ -29,6 +29,7 @@ License
 #include "word.H"
 #include "debug.H"
 #include <cctype>
+#include <cstdint>
 #include <sstream>
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //