Committed. Richard.
2012-05-24 Richard Guenther <rguent...@suse.de> PR bootstrap/53466 * g++.dg/debug/pr53466.C: New testcase. Index: gcc/testsuite/g++.dg/debug/pr53466.C =================================================================== --- gcc/testsuite/g++.dg/debug/pr53466.C (revision 0) +++ gcc/testsuite/g++.dg/debug/pr53466.C (revision 0) @@ -0,0 +1,39 @@ +// { dg-do compile } +// { dg-options "-foptimize-sibling-calls -fcompare-debug" } + +typedef union gimple_statement_d *gimple; +typedef gimple gimple_seq_node; +typedef struct { + gimple_seq_node ptr; + void *seq; + void *bb; +} gimple_stmt_iterator; +struct gimple_statement_base { + gimple next; +}; +union gimple_statement_d { + struct gimple_statement_base gsbase; +}; +static inline gimple_stmt_iterator gsi_start_1 (gimple stmt) +{ + gimple_stmt_iterator i; + i.ptr = stmt; + return i; +} +bool gimple_may_fallthru (gimple); +static bool gimple_try_catch_may_fallthru (gimple stmt) +{ + gimple_stmt_iterator i = gsi_start_1 (stmt); + for (; i.ptr; i.ptr = i.ptr->gsbase.next) + { + if (gimple_may_fallthru (i.ptr)) + return true; + } +} +bool gimple_stmt_may_fallthru (gimple stmt, bool x) +{ + if (x) + return gimple_may_fallthru (stmt); + else + return gimple_try_catch_may_fallthru (stmt); +}