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c++: modules and debug marker stmts

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21_strings/basic_string/operations/contains/nonnull.cc was failing because
the module was built with debug markers and the testcase was built not
expecting debug markers, so we crashed in lower_stmt.  Let's accommodate
this by discarding debug marker statements we don't want.

gcc/cp/ChangeLog:

	* module.cc (trees_in::core_vals) [STATEMENT_LIST]: Skip
	DEBUG_BEGIN_STMT if !MAY_HAVE_DEBUG_MARKER_STMTS.
This commit is contained in:
Jason Merrill 2024-11-20 10:43:30 +01:00
parent 03c7145a41
commit 74498be0e6
1 changed files with 6 additions and 1 deletions
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7
gcc/cp/module.cc
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@ -6895,7 +6895,12 @@ trees_in::core_vals (tree t)
{
tree_stmt_iterator iter = tsi_start (t);
for (tree stmt; RT (stmt);)
tsi_link_after (&iter, stmt, TSI_CONTINUE_LINKING);
{
if (TREE_CODE (stmt) == DEBUG_BEGIN_STMT
&& !MAY_HAVE_DEBUG_MARKER_STMTS)
continue;
tsi_link_after (&iter, stmt, TSI_CONTINUE_LINKING);
}
}
break;