On 1/27/22 12:06, Jakub Jelinek wrote:
On Thu, Jan 27, 2022 at 11:59:51AM +0100, Martin Liška wrote:
@@ -1988,7 +1994,7 @@ error_recursion (diagnostic_context *context)
      pp_newline_and_flush (context->printer);
fnotice (stderr,
-          "Internal compiler error: Error reporting routines re-entered.\n");
+          "internal compiler error: Error reporting routines re-entered.\n");

Why do we capitalize the "E" in there?

That should not be capitalized. Fixed in attached patch.

Looking for internal_error calls, I think we mostly use lower case after
"internal compiler error: ", except for some cases where it should be
capitalized like "SSA corruption" etc., but
varasm.cc:      internal_error ("Section already exists: %qs", name);
looks wrong.

Yep, we have many more examples where a leading capital letter is used:

gcc/config/cris/cris.cc:      internal_error ("MULT case in %<cris_op_str%>");
gcc/config/cris/cris.h: do { if (!(x)) internal_error ("CRIS-port assertion failed: 
%s", #x); } while (0)
gcc/config/mmix/mmix.cc:    internal_error ("MMIX Internal: Last named vararg would 
not fit in a register");
gcc/config/mmix/mmix.cc:        internal_error ("MMIX Internal: Bad register: 
%d", regno);
gcc/config/mmix/mmix.cc:        internal_error ("MMIX Internal: Bad register: 
%d", regno);
gcc/config/mmix/mmix.cc:      internal_error ("MMIX Internal: Missing %qc case in 
%<mmix_print_operand%>", code);
gcc/config/mmix/mmix.cc:        internal_error ("MMIX Internal: Bad register: 
%d", regno);
gcc/config/mmix/mmix.cc:      internal_error ("MMIX Internal: %s is not a shiftable 
integer", s);
gcc/config/mmix/mmix.cc:      internal_error ("MMIX Internal: %s is not a shiftable 
integer", s);
gcc/config/rs6000/host-darwin.cc:  internal_error ("Segmentation Fault (code)");
gcc/config/rs6000/host-darwin.cc:  internal_error ("Segmentation Fault");
gcc/d/decl.cc:    internal_error ("Mismatch between declaration %qE size (%wd) and 
"
gcc/fortran/arith.cc:   gfc_internal_error ("Fix min_int calculation");
gcc/fortran/data.cc:      gfc_internal_error ("TODO: Vector sections in data 
statements");
gcc/fortran/decl.cc:                gfc_internal_error ("Cannot set pointee array 
spec.");
gcc/fortran/decl.cc:      gfc_internal_error ("Missing symbol");
gcc/fortran/decl.cc:        gfc_internal_error ("Cannot set Cray pointee array 
spec.");
gcc/fortran/decl.cc:      gfc_internal_error ("Failed to create structure type '%s' 
at %C", name);
gcc/fortran/frontend-passes.cc: gfc_internal_error ("Illegal id in 
copy_walk_reduction_arg");
gcc/fortran/frontend-passes.cc:       gfc_internal_error ("Scalarization using 
DIMEN_RANGE unimplemented");
gcc/fortran/interface.cc:  gfc_internal_error ("Unable to find symbol %qs", 
sym->name);
gcc/fortran/intrinsic.cc:      gfc_internal_error ("Invalid standard code on 
intrinsic %qs (%d)",
gcc/fortran/intrinsic.cc:  gfc_internal_error ("Cannot convert %qs to %qs at 
%L", type_name,
gcc/fortran/simplify.cc:        gfc_internal_error ("IBITS: Bad bit");
gcc/fortran/simplify.cc:        gfc_internal_error ("Reshaped array too large at 
%C");
gcc/fortran/simplify.cc:        gfc_internal_error ("Bad type in 
gfc_simplify_sign");
gcc/fortran/simplify.cc:        gfc_internal_error ("Failure getting length of a 
constant array.");
gcc/fortran/simplify.cc:    gfc_internal_error ("Failure getting length of a 
constant array.");
gcc/fortran/target-memory.cc:      gfc_internal_error ("Invalid expression in 
gfc_element_size.");
gcc/fortran/target-memory.cc:      gfc_internal_error ("Invalid expression in 
gfc_target_encode_expr.");
gcc/fortran/target-memory.cc:      gfc_internal_error ("Invalid expression in 
gfc_target_interpret_expr.");
gcc/fortran/trans-intrinsic.cc:      gfc_internal_error ("Intrinsic function %qs 
(%d) not recognized",
gcc/fortran/trans-io.cc:      gfc_internal_error ("Bad IO basetype (%d)", 
ts->type);
gcc/ipa-sra.cc:      internal_error ("IPA-SRA access verification failed");
gcc/ipa-sra.cc: internal_error ("Function %qs, parameter %u, has IPA-SRA accesses 
"
gcc/ipa-sra.cc: internal_error ("Function %s, parameter %u, is used but does not 
"
gcc/rtl.cc:  internal_error ("RTL check: expected code '%s', have '%s' in %s, at 
%s:%d",
gcc/tree-into-ssa.cc:           internal_error ("SSA corruption");
gcc/tree-outof-ssa.cc:                internal_error ("SSA corruption");
gcc/tree-ssa-coalesce.cc:  internal_error ("SSA corruption");
gcc/varasm.cc:  internal_error ("Section already exists: %qs", name);

I can prepare a separate patch for next stage1 if you want?

Thanks,
Martin


        Jakub

From 6126a82dea18c849e0440a9f5cded8f2a7c65f14 Mon Sep 17 00:00:00 2001
From: Martin Liska <mli...@suse.cz>
Date: Thu, 27 Jan 2022 11:22:42 +0100
Subject: [PATCH] Improve wording for -freport-bug option.

	PR web/104254

gcc/ChangeLog:

	* diagnostic.cc (diagnostic_initialize):
	Initialize report_bug flag.
	(diagnostic_action_after_output):
	Explain that -freport-bug option can be used for pre-processed
	file creation.  Make the message shorter.
	(error_recursion): Rename Internal to internal.
	* diagnostic.h (struct diagnostic_context): New field.
	* opts.cc (common_handle_option): Init the field here.
---
 gcc/diagnostic.cc | 22 ++++++++++++++--------
 gcc/diagnostic.h  |  3 +++
 gcc/opts.cc       |  4 ++++
 3 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/gcc/diagnostic.cc b/gcc/diagnostic.cc
index f5f43d5e9a7..10472046bdc 100644
--- a/gcc/diagnostic.cc
+++ b/gcc/diagnostic.cc
@@ -219,6 +219,8 @@ diagnostic_initialize (diagnostic_context *context, int n_opts)
   context->show_line_numbers_p = false;
   context->min_margin_width = 0;
   context->show_ruler_p = false;
+  context->report_bug = false;
+
   if (const char *var = getenv ("GCC_EXTRA_DIAGNOSTIC_OUTPUT"))
     {
       if (!strcmp (var, "fixits-v1"))
@@ -665,12 +667,16 @@ diagnostic_action_after_output (diagnostic_context *context,
 	if (context->abort_on_error)
 	  real_abort ();
 
-	fnotice (stderr, "Please submit a full bug report,\n"
-		 "with preprocessed source if appropriate.\n");
+	if (context->report_bug)
+	  fnotice (stderr, "\nPlease submit a full bug report, "
+		   "with preprocessed source.\n");
+	else
+	  fnotice (stderr, "\nPlease submit a full bug report, "
+		   "with preprocessed source (by using -freport-bug).\n");
+
 	if (count > 0)
-	  fnotice (stderr,
-		   ("Please include the complete backtrace "
-		    "with any bug report.\n"));
+	  fnotice (stderr, "Please include the complete backtrace "
+		   "with any bug report.\n");
 	fnotice (stderr, "See %s for instructions.\n", bug_report_url);
 
 	exit (ICE_EXIT_CODE);
@@ -1437,8 +1443,8 @@ num_digits (int value)
 
 /* Given a partial pathname as input, return another pathname that
    shares no directory elements with the pathname of __FILE__.  This
-   is used by fancy_abort() to print `Internal compiler error in expr.cc'
-   instead of `Internal compiler error in ../../GCC/gcc/expr.cc'.  */
+   is used by fancy_abort() to print `internal compiler error in expr.cc'
+   instead of `internal compiler error in ../../GCC/gcc/expr.cc'.  */
 
 const char *
 trim_filename (const char *name)
@@ -1988,7 +1994,7 @@ error_recursion (diagnostic_context *context)
     pp_newline_and_flush (context->printer);
 
   fnotice (stderr,
-	   "Internal compiler error: Error reporting routines re-entered.\n");
+	   "internal compiler error: error reporting routines re-entered.\n");
 
   /* Call diagnostic_action_after_output to get the "please submit a bug
      report" message.  */
diff --git a/gcc/diagnostic.h b/gcc/diagnostic.h
index ccaa33b5817..3ca32979dde 100644
--- a/gcc/diagnostic.h
+++ b/gcc/diagnostic.h
@@ -340,6 +340,9 @@ struct diagnostic_context
      source output.  */
   bool show_ruler_p;
 
+  /* True if -freport-bug option is used.  */
+  bool report_bug;
+
   /* Used to specify additional diagnostic output to be emitted after the
      rest of the diagnostic.  This is for implementing
      -fdiagnostics-parseable-fixits and GCC_EXTRA_DIAGNOSTIC_OUTPUT.  */
diff --git a/gcc/opts.cc b/gcc/opts.cc
index f21c821ab2e..7d30deb8e4b 100644
--- a/gcc/opts.cc
+++ b/gcc/opts.cc
@@ -3158,6 +3158,10 @@ common_handle_option (struct gcc_options *opts,
 	dc->tabstop = value;
       break;
 
+    case OPT_freport_bug:
+      dc->report_bug = value;
+      break;
+
     default:
       /* If the flag was handled in a standard way, assume the lack of
 	 processing here is intentional.  */
-- 
2.34.1

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