Update copyright years.

[thirdparty/gcc.git] / libcpp / expr.cc

diff --git a/libcpp/expr.cc b/libcpp/expr.cc
index b68bf0f9ab12e09217fd1ecad0d47f06cd485470..815eb137a99299ca5faa8371323250b39cc49864 100644 (file)
--- a/libcpp/expr.cc
+++ b/libcpp/expr.cc
@@ -1,5 +1,5 @@
 /* Parse C expressions for cpplib.
-   Copyright (C) 1987-2023 Free Software Foundation, Inc.
+   Copyright (C) 1987-2024 Free Software Foundation, Inc.
    Contributed by Per Bothner, 1994.
 
 This program is free software; you can redistribute it and/or modify it
@@ -97,7 +97,7 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len)
   f = d = l = w = q = i = fn = fnx = fn_bits = bf16 = 0;
 
   /* The following decimal float suffixes, from TR 24732:2009, TS
-     18661-2:2015 and C2X, are supported:
+     18661-2:2015 and C23, are supported:
 
      df, DF - _Decimal32.
      dd, DD - _Decimal64.
@@ -787,11 +787,11 @@ cpp_classify_number (cpp_reader *pfile, const cpp_token *token,
        {
          if (CPP_PEDANTIC (pfile) && !CPP_OPTION (pfile, dfp_constants))
            cpp_error_with_line (pfile, CPP_DL_PEDWARN, virtual_location, 0,
-                                "decimal float constants are a C2X feature");
-         else if (CPP_OPTION (pfile, cpp_warn_c11_c2x_compat) > 0)
-           cpp_warning_with_line (pfile, CPP_W_C11_C2X_COMPAT,
+                                "decimal float constants are a C23 feature");
+         else if (CPP_OPTION (pfile, cpp_warn_c11_c23_compat) > 0)
+           cpp_warning_with_line (pfile, CPP_W_C11_C23_COMPAT,
                                   virtual_location, 0,
-                                  "decimal float constants are a C2X feature");
+                                  "decimal float constants are a C23 feature");
        }
 
       result |= CPP_N_FLOATING;
@@ -856,6 +856,29 @@ cpp_classify_number (cpp_reader *pfile, const cpp_token *token,
                                 virtual_location, 0, message);
        }
 
+      if ((result & CPP_N_BITINT) != 0
+         && CPP_OPTION (pfile, cpp_warn_c11_c23_compat) != 0)
+       {
+         if (CPP_OPTION (pfile, cpp_warn_c11_c23_compat) > 0)
+           {
+             const char *message = N_("ISO C does not support literal "
+                                      "%<wb%> suffixes before C23");
+             if (CPP_PEDANTIC (pfile) && !CPP_OPTION (pfile, true_false))
+               cpp_pedwarning_with_line (pfile, CPP_W_C11_C23_COMPAT,
+                                         virtual_location, 0, message);
+             else
+               cpp_warning_with_line (pfile, CPP_W_C11_C23_COMPAT,
+                                      virtual_location, 0, message);
+           }
+         else if (CPP_PEDANTIC (pfile) && !CPP_OPTION (pfile, true_false))
+           {
+             const char *message = N_("ISO C does not support literal "
+                                      "%<wb%> suffixes before C23");
+             cpp_error_with_line (pfile, CPP_DL_PEDWARN, virtual_location, 0,
+                                  message);
+           }
+       }
+
       result |= CPP_N_INTEGER;
     }
 
@@ -871,12 +894,12 @@ cpp_classify_number (cpp_reader *pfile, const cpp_token *token,
                             CPP_OPTION (pfile, cplusplus)
                             ? N_("binary constants are a C++14 feature "
                                  "or GCC extension")
-                            : N_("binary constants are a C2X feature "
+                            : N_("binary constants are a C23 feature "
                                  "or GCC extension"));
-      else if (CPP_OPTION (pfile, cpp_warn_c11_c2x_compat) > 0)
-       cpp_warning_with_line (pfile, CPP_W_C11_C2X_COMPAT,
+      else if (CPP_OPTION (pfile, cpp_warn_c11_c23_compat) > 0)
+       cpp_warning_with_line (pfile, CPP_W_C11_C23_COMPAT,
                               virtual_location, 0,
-                              "binary constants are a C2X feature");
+                              "binary constants are a C23 feature");
     }
 
   if (radix == 10)
@@ -2193,6 +2216,7 @@ num_div_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op,
       if (!pfile->state.skip_eval)
        cpp_error_with_line (pfile, CPP_DL_ERROR, location, 0,
                             "division by zero in #if");
+      lhs.unsignedp = unsignedp;
       return lhs;
     }