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* [gcc(refs/users/marxin/heads/PR106133-json-diagnostics-fix)] diagnostics: fix crash with -fdiagnostics-format=json-file
@ 2023-01-06 10:21 Martin Liska
  0 siblings, 0 replies; only message in thread
From: Martin Liska @ 2023-01-06 10:21 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:e31e295120925353e7ad56c8bf47fd0564d4f745

commit e31e295120925353e7ad56c8bf47fd0564d4f745
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Jan 6 11:19:52 2023 +0100

    diagnostics: fix crash with -fdiagnostics-format=json-file
    
            PR middle-end/106133
    
    gcc/ChangeLog:
    
            * diagnostic.cc (diagnostic_output_format_init): If
            -fdiagnostics-format=json-file and -E is used, then
            base_file_name is null and we should not emit anything.

Diff:
---
 gcc/diagnostic.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/diagnostic.cc b/gcc/diagnostic.cc
index c90c14e993e..fe7d121e340 100644
--- a/gcc/diagnostic.cc
+++ b/gcc/diagnostic.cc
@@ -2277,6 +2277,9 @@ diagnostic_output_format_init (diagnostic_context *context,
 			       const char *base_file_name,
 			       enum diagnostics_output_format format)
 {
+  if (base_file_name == NULL)
+    return;
+
   switch (format)
     {
     default:

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