A r131535 of trunk (a later revision is recommended, at least >= r131589) bootstrapped with --enable-langugages=c --enable-checking=release,valgrind shows these indications for gcc.dg/cpp/charconst.c (show as in gcc.log): Executing on host: /tmp/hptest8/obj/gcc/xgcc -B/tmp/hptest8/obj/gcc/ /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c -ans i -pedantic-errors -fno-show-column -S -o charconst.s (timeout = 300) /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:10: error: empty character constant /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:12: error: empty character constant /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:14: warning: character constant too long for its type /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:16: warning: character constant too long for its type /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:19: warning: multi-character character constant /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:27: error: empty character constant ==23842== Conditional jump or move depends on uninitialised value(s) ==23842== at 0x4041B7: c_lex_with_flags (c-lex.c:996) ==23842== by 0x44D20E: c_lex_one_token (c-parser.c:310) ==23842== by 0x453666: c_parser_cast_expression (c-parser.c:415) ==23842== by 0x4537C1: c_parser_conditional_expression (c-parser.c:4691) ==23842== by 0x453F24: c_parser_expr_no_commas (c-parser.c:4452) ==23842== by 0x4540A6: c_parser_expr_no_commas (c-parser.c:4492) ==23842== by 0x454121: c_parser_expression (c-parser.c:5699) ==23842== by 0x4543E8: c_parser_expression_conv (c-parser.c:5719) ==23842== by 0x450AB5: c_parser_statement_after_labels (c-parser.c:3880) ==23842== by 0x451C07: c_parser_compound_statement_nostart (c-parser.c:3565) ==23842== by 0x457004: c_parser_compound_statement (c-parser.c:3413) ==23842== by 0x45750C: c_parser_declaration_or_fndef (c-parser.c:1412) /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:28: error: empty character constant /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:30: warning: character constant too long for its type /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:31: warning: character constant too long for its type /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:33: warning: multi-character character constant /tmp/hptest8/gcc/gcc/testsuite/gcc.dg/cpp/charconst.c:35: warning: character constant too long for its type
-- Summary: valgrind error indication in testsuite from c- lex.c:996:c_lex_with_flags for gcc.dg/cpp/charconst.c Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hp at gcc dot gnu dot org GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34867