On 12/10/21 3:42 PM, Thomas Schwinge wrote:
Hi!

OK to push the attached "testsuite: Be more informative for ICEs"?

Adding more detail here seems like a useful improvement to me.

Martin



Grüße
  Thomas


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0001-testsuite-Be-more-informative-for-ICEs.patch

 From 5ffc2cfc9c6ec6ed0937311377118efd648f0297 Mon Sep 17 00:00:00 2001
From: Thomas Schwinge<tho...@codesourcery.com>
Date: Fri, 10 Dec 2021 19:08:26 +0100
Subject: [PATCH] testsuite: Be more informative for ICEs

For example, for the two (FAIL, XFAIL)
'gcc/testsuite/lib/gcc-dg.exp:gcc-dg-test-1' cases:

     -FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (internal compiler 
error)
     +FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (internal compiler 
error: tree check: expected var_decl or function_decl or field_decl or 
type_decl or concept_decl or template_decl, have namespace_decl in 
get_merge_kind, at cp/module.cc:10072)

     -FAIL: gfortran.dg/gomp/clauses-1.f90   -O  (internal compiler error)
     +FAIL: gfortran.dg/gomp/clauses-1.f90   -O  (internal compiler error: 
Segmentation fault)

     -XFAIL: c-c++-common/goacc/kernels-decompose-ice-1.c (internal compiler 
error)
     +XFAIL: c-c++-common/goacc/kernels-decompose-ice-1.c (internal compiler 
error: in lower_omp_target, at omp-low.c:13147)

     -XFAIL: g++.dg/cpp1z/constexpr-lambda26.C  -std=c++17 (internal compiler 
error)
     +XFAIL: g++.dg/cpp1z/constexpr-lambda26.C  -std=c++17 (internal compiler 
error: in cxx_eval_constant_expression, at cp/constexpr.c:6954)

That allows for more easily spotting when during development you're trading one
ICE for another.

        gcc/testsuite/
        * lib/fortran-torture.exp (fortran-torture-compile)
        (fortran-torture-execute): Be more informative for ICEs.
        * lib/gcc-defs.exp (${tool}_check_compile): Likewise.
        * lib/gcc-dg.exp (gcc-dg-test-1): Likewise.
        * lib/go-torture.exp (go-torture-compile, go-torture-execute):
        Likewise.
---
  gcc/testsuite/lib/fortran-torture.exp | 8 ++++----
  gcc/testsuite/lib/gcc-defs.exp        | 4 ++--
  gcc/testsuite/lib/gcc-dg.exp          | 6 +++---
  gcc/testsuite/lib/go-torture.exp      | 8 ++++----
  4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/gcc/testsuite/lib/fortran-torture.exp 
b/gcc/testsuite/lib/fortran-torture.exp
index d6759aa0b4b..11d73d9f1f7 100644
--- a/gcc/testsuite/lib/fortran-torture.exp
+++ b/gcc/testsuite/lib/fortran-torture.exp
@@ -138,8 +138,8 @@ proc fortran-torture-compile { src option } {
        return
      }
- if [string match "*internal compiler error*" $comp_output] then {
-       gfortran_fail $testcase "$option (internal compiler error)"
+    if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
+       gfortran_fail $testcase "$option ($ice)"
        catch { remote_file build delete $output }
        return
      }
@@ -263,8 +263,8 @@ proc fortran-torture-execute { src } {
            continue
        }
- if [string match "*internal compiler error*" $comp_output] then {
-           gfortran_fail $testcase "$option (internal compiler error)"
+       if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
+           gfortran_fail $testcase "$option ($ice)"
            catch { remote_file build delete $executable }
            continue
        }
diff --git a/gcc/testsuite/lib/gcc-defs.exp b/gcc/testsuite/lib/gcc-defs.exp
index d17308d0f86..66df4e1c6aa 100644
--- a/gcc/testsuite/lib/gcc-defs.exp
+++ b/gcc/testsuite/lib/gcc-defs.exp
@@ -38,8 +38,8 @@ proc ${tool}_check_compile {testcase option objname 
gcc_output} {
        return 0
      }
- if [string match "*internal compiler error*" $gcc_output] then {
-       ${tool}_fail $testcase "$option (internal compiler error)"
+    if [regexp -line -- "internal compiler error.*" $gcc_output ice] then {
+       ${tool}_fail $testcase "$option ($ice)"
        return 0
      }
diff --git a/gcc/testsuite/lib/gcc-dg.exp b/gcc/testsuite/lib/gcc-dg.exp
index 78a6c3651ef..464059608b8 100644
--- a/gcc/testsuite/lib/gcc-dg.exp
+++ b/gcc/testsuite/lib/gcc-dg.exp
@@ -315,13 +315,13 @@ proc gcc-dg-test-1 { target_compile prog do_what 
extra_tool_flags } {
      # to avoid a second failure for excess errors.
      # "Error reporting routines re-entered" ICE says "Internal" rather than
      # "internal", so match that too.
-    if [string match {*[Ii]nternal compiler error*} $comp_output] {
+    if [regexp -line -- {[Ii]nternal compiler error.*} $comp_output ice] {
        upvar 2 name name
        if { $expect_ice == 0 } {
-         fail "$name (internal compiler error)"
+         fail "$name ($ice)"
        } else {
          # We expected an ICE and we got it.
-         xfail "$name (internal compiler error)"
+         xfail "$name ($ice)"
          # Prune the ICE from the output.
          set comp_output [prune_ices $comp_output]
        }
diff --git a/gcc/testsuite/lib/go-torture.exp b/gcc/testsuite/lib/go-torture.exp
index 28247a1902d..adeae36f916 100644
--- a/gcc/testsuite/lib/go-torture.exp
+++ b/gcc/testsuite/lib/go-torture.exp
@@ -88,8 +88,8 @@ proc go-torture-compile { src option } {
        return
      }
- if [string match "*internal compiler error*" $comp_output] then {
-       go_fail $testcase "$option (internal compiler error)"
+    if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
+       go_fail $testcase "$option ($ice)"
        catch { remote_file build delete $output }
        return
      }
@@ -224,8 +224,8 @@ proc go-torture-execute { src } {
            continue
        }
- if [string match "*internal compiler error*" $comp_output] then {
-           go_fail $testcase "$option (internal compiler error)"
+       if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
+           go_fail $testcase "$option ($ice)"
            catch { remote_file build delete $executable }
            continue
        }
-- 2.25.1


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