diagnostics: Fix sporadic test failure

it turns out to be reproducible this way:

COLUMNS=80 make check-gcc-c RUNTESTFLAGS="plugin.exp=diagnostic*"

Running /home/ed/gnu/gcc-trunk/gcc/testsuite/gcc.dg/plugin/plugin.exp ...
FAIL: gcc.dg/plugin/diagnostic-test-expressions-1.c
 -fplugin=./diagnostic_plugin_test_tree_expression_range.so  1 blank line(s) in output
FAIL: gcc.dg/plugin/diagnostic-test-expressions-1.c
 -fplugin=./diagnostic_plugin_test_tree_expression_range.so  expected multiline pattern lines 550-551 not found: "                            __builtin_types_compatible_p \(long, int\) \+ f \(i\)\);.*\n                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\^~~~~~~\n"
FAIL: gcc.dg/plugin/diagnostic-test-expressions-1.c
 -fplugin=./diagnostic_plugin_test_tree_expression_range.so (test for excess errors)

a lot more errors happen with COLUMNS=20.

2021-05-29  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* gcc.dg/plugin/diagnostic_plugin_show_trees.c (plugin_init): Fix caret_max_with.
	* gcc.dg/plugin/diagnostic_plugin_test_inlining.c
	(plugin_init): Likewise.
	* gcc.dg/plugin/diagnostic_plugin_test_paths.c (plugin_init): Likewise.
	* gcc.dg/plugin/diagnostic_plugin_test_string_literals.c
	(plugin_init): Likewise.
	* gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c
	(plugin_init): Likewise.

(cherry picked from commit ade5ac7c7966c8e88a25f448fa737457364935a4)

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_show_trees.c b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_show_trees.c
index 71e6740b17876acb0874b8db4ff97fd1d46981fb..ac72503d92e3f84918cdec17e71d7ecca624c13d 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_show_trees.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_show_trees.c
@@ -115,6 +115,8 @@ plugin_init (struct plugin_name_args *plugin_info,
   if (!plugin_default_version_check (version, &gcc_version))
     return 1;
 
+  global_dc->caret_max_width = 80;
+
   register_callback (plugin_name,
                     PLUGIN_PRE_GENERICIZE,
                     callback,

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_inlining.c b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_inlining.c
index 49b78ccf1fc783fe8acef18813dc801d6fd062a6..02c4629bc29e2a9e40ca013dd7c59ab4c79276b6 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_inlining.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_inlining.c
@@ -169,6 +169,8 @@ plugin_init (struct plugin_name_args *plugin_info,
   if (!plugin_default_version_check (version, &gcc_version))
     return 1;
 
+  global_dc->caret_max_width = 80;
+
   pass_info.pass = new pass_test_inlining (g);
   pass_info.reference_pass_name = "*warn_function_noreturn";
   pass_info.ref_pass_instance_number = 1;

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_paths.c b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_paths.c
index 767287572904857fe685242cc056d8c05c7565ca..5c2da021553bce39ab593b1fcf6bd4caabac26e4 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_paths.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_paths.c
@@ -450,6 +450,8 @@ plugin_init (struct plugin_name_args *plugin_info,
   if (!plugin_default_version_check (version, &gcc_version))
     return 1;
 
+  global_dc->caret_max_width = 80;
+
   pass_info.pass = make_pass_test_show_path (g);
   pass_info.reference_pass_name = "whole-program";
   pass_info.ref_pass_instance_number = 1;

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_string_literals.c b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_string_literals.c
index cf99697a4170ac40c3cf2517b808c11aeaa4eb6c..aa73dcae8201252daf6918dacd33a05a13c69692 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_string_literals.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_string_literals.c
@@ -208,6 +208,8 @@ plugin_init (struct plugin_name_args *plugin_info,
   if (!plugin_default_version_check (version, &gcc_version))
     return 1;
 
+  global_dc->caret_max_width = 80;
+
   pass_info.pass = new pass_test_string_literals (g);
   pass_info.reference_pass_name = "ssa";
   pass_info.ref_pass_instance_number = 1;

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c
index 89cc95acd9999e4f47b103912ebaf16a028540b2..4a89d846dcee4177fee923c63218d873a2c9810f 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c
@@ -89,6 +89,8 @@ plugin_init (struct plugin_name_args *plugin_info,
   if (!plugin_default_version_check (version, &gcc_version))
     return 1;
 
+  global_dc->caret_max_width = 130;
+
   register_callback (plugin_name,
                     PLUGIN_PRE_GENERICIZE,
                     callback,