Hello! > > I am proposing a series of patches which is supposed to address the > > remaining issues (I am aware of) preventing us from enabling the > > -ftrack-macro-expansion by default. > > > > The idea is to address each issue I notice in the course of trying to > > bootstrap the compiler and running the tests with > > -ftrack-macro-expansion enabled. > > > > Beside the fixes, I ended up disabling the -ftrack-macro-expansion for > > many test cases (sometimes globally in the dg-*.exp files, or on a > > case by case basis), because that option changes the compiler output > > and so requires that I either adapt the test case or disable the > > option. For other tests, I chose to adapt the test case. > > I have finally applied this series of 14 patches to the mainline today. > The SVN revisions are from r186965 to r186978.
Your patch introduced: FAIL: gcc.dg/gomp/macro-4.c (internal compiler error) FAIL: gcc.dg/gomp/macro-4.c (test for excess errors) on alphaev68-pc-linux-gnu. The failure is silent on x86_64-pc-linux-gnu, but can be uncovered by valgrind: $ valgrind ~/gcc-build/gcc/cc1 -fopenmp -Wunknown-pragmas macro-4.c ==2461== Conditional jump or move depends on uninitialised value(s) ==2461== at 0xE2B9D2: _cpp_pop_context (macro.c:2143) ==2461== by 0xE1B1EF: skip_rest_of_line(cpp_reader*) (directives.c:207) ==2461== by 0xE1BBFE: end_directive(cpp_reader*, int) (directives.c:298) ==2461== by 0xE1E2B0: _ZL19destringize_and_runP10cpp_readerPK10cpp_string.isra.6 (directives.c:1762) ==2461== by 0xE1E473: _cpp_do__Pragma (directives.c:1833) ==2461== by 0xE2B924: builtin_macro(cpp_reader*, cpp_hashnode*) (macro.c:409) ==2461== by 0xE2BFC7: enter_macro_context(cpp_reader*, cpp_hashnode*, cpp_token const*, unsigned int) (macro.c:1156) ==2461== by 0xE2D66D: cpp_get_token_1(cpp_reader*, unsigned int*) (macro.c:2391) ==2461== by 0x584EB2: c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int) (c-lex.c:302) ==2461== by 0x532684: c_lex_one_token(c_parser*, c_token*) (c-parser.c:221) ==2461== by 0x538F0D: c_parser_compound_statement_nostart(c_parser*) (c-parser.c:401) ==2461== by 0x54627B: c_parser_compound_statement(c_parser*) (c-parser.c:4071) ==2461== Uros.
