[gcc r15-1196] [tree-prof] skip if errors were seen [PR113681]

[Alexandre Oliva]

https://gcc.gnu.org/g:66f48557e11a530646e5562c50a75b4b9839f171

commit r15-1196-g66f48557e11a530646e5562c50a75b4b9839f171
Author: Alexandre Oliva <oliva@adacore.com>
Date:   Wed Jun 12 00:16:27 2024 -0300

    [tree-prof] skip if errors were seen [PR113681]
    
    ipa_tree_profile asserts that the symtab is in IPA_SSA state, but we
    don't reach that state and ICE if e.g. ipa-strub passes report errors.
    Skip this pass if errors were seen.
    
    
    for  gcc/ChangeLog
    
            PR tree-optimization/113681
            * tree-profile.cc (pass_ipa_tree_profile::gate): Skip if
            seen_errors.
    
    for  gcc/testsuite/ChangeLog
    
            PR tree-optimization/113681
            * c-c++-common/strub-pr113681.c: New.

Diff:
---
 gcc/testsuite/c-c++-common/strub-pr113681.c | 22 ++++++++++++++++++++++
 gcc/tree-profile.cc                         |  3 ++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/gcc/testsuite/c-c++-common/strub-pr113681.c b/gcc/testsuite/c-c++-common/strub-pr113681.c
new file mode 100644
index 000000000000..3ef9017b2eb7
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/strub-pr113681.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrub=relaxed -fbranch-probabilities" } */
+/* { dg-require-effective-target strub } */
+
+/* Same as torture/strub-inlineable1.c, but with -fbranch-probabilities, to
+   check that IPA tree-profiling won't ICE.  It would when we refrained from
+   running passes that would take it to IPA_SSA, but ran the pass that asserted
+   for IPA_SSA.  */
+
+inline void __attribute__ ((strub ("internal"), always_inline))
+inl_int_ali (void)
+{
+  /* No internal wrapper, so this body ALWAYS gets inlined,
+     but it cannot be called from non-strub contexts.  */
+}
+
+void
+bat (void)
+{
+  /* Not allowed, not a strub context.  */
+  inl_int_ali (); /* { dg-error "context" } */
+}
diff --git a/gcc/tree-profile.cc b/gcc/tree-profile.cc
index b87c121790c9..e4bb689cef58 100644
--- a/gcc/tree-profile.cc
+++ b/gcc/tree-profile.cc
@@ -2070,7 +2070,8 @@ pass_ipa_tree_profile::gate (function *)
      disabled.  */
   return (!in_lto_p && !flag_auto_profile
 	  && (flag_branch_probabilities || flag_test_coverage
-	      || profile_arc_flag || condition_coverage_flag));
+	      || profile_arc_flag || condition_coverage_flag)
+	  && !seen_error ());
 }
 
 } // anon namespace