+2003-01-30 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_compute_initial_elimination_offset): If optimizing for
+ size, the link register is always saved if any other register is
+ saved.
+
+2003-01-30 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300-protos.h: Update the prototype for
+ compute_plussi_cc.
+ (cpp_reader): Declare before it is used.
+ * config/h8300/h8300.c (compute_plussi_cc): Change the return
+ type to int.
+ * config/h8300/h8300.md (monitor_prologue): Call abort() if we
+ see an unknown H8 variant.
+
+2003-01-30 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+ PR target/9316
+ * config/rs6000/rtems.h: Add CPP_OS_DEFAULT_SPEC.
+ * config/rs6000/sysv4.h: Add CPP_OS_RTEMS_SPEC.
+ * config/rs6000/t-rtems: New file. multilib variants to match OS.
+ * config.gcc (powerpc-*-rtems*): Use rs6000/t-rtems instead of
+ rs6000/t-ppcgas so we get the desired multilibs.
+
+2003-01-30 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (arm_output_epilogue): Update stack pointer
+ when popping saved IP register off the stack.
+
+2003-01-30 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/rs6000/aix43.h: Fix comment typos.
+ * config/rs6000/aix51.h: Likewise.
+ * config/rs6000/aix52.h: Likewise.
+ * config/rs6000/altivec.h: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/rs6000/rs6000.md: Likewise.
+ * config/rs6000/spe.md: Likewise.
+
+2003-01-29 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (builtin_define_float_constants): Define
+ __<TYPE>_HAS_INFINITY__ and __<TYPE>_HAS_QUIET_NAN__.
+
+2003-01-30 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/sh/lib1funcs.asm: Fix comment typos.
+ * config/sh/linux.h: Likewise.
+ * config/sh/sh.c: Likewise.
+ * config/sh/sh.md: Likewise.
+
+2003-01-30 Loren James Rittle <ljrittle@acm.org>
+
+ * objc/Make-lang.in (objc-parse.y): Find c-parse.in in $(srcdir).
+
+2003-01-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/fp-bit.h (__make_dp): Declare if TMODES.
+
+2003-01-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.h (PREDICATE_CODES): Add entries for
+ general_operand_src and general_operand_dst.
+
+2003-01-29 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (function_arg_pass_by_reference):
+ Return true for variable sized types.
+ (rs6000_va_arg): Handle variable sized types passed by reference
+ on non-SVR4 ABI.
+
+2003-01-29 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_legtimize_address): New function.
+ * arm-protos.h (arm_legtimize_address): Add prototype.
+ * arm.h (ARM_LEGITIMIZE_ADDRESS): Use arm_legitimize_address.
+ (LEGITIMIZE_ADDRESS, THUMB_LEGITIMIZE_ADDRESS): Wrap with
+ do ... while (0)
+
+2003-01-29 Joel Sherrill <joel@OARcorp.com>
+
+ PR bootstrap/9296
+ * gthr-rtems.h: Define __GTHREAD_MUTEX_INIT. Apparently no code
+ depended on it being defined until now.
+
+2003-01-29 Joel Sherrill <joel@OARcorp.com>
+
+ PR target/9295
+ * config/mips/rtems.h: Predefine __USE_INIT_FINI__ so generic
+ RTEMS code knows which C++ initialization style the toolset
+ configuration is using.
+
+2003-01-29 Joel Sherrill <joel@OARcorp.com>
+
+ PR bootstrap/9293
+ * config/m68k/t-crtstuff: Replace spaces with tabs, add
+ $(MULTILIB_CFLAGS) as compiler option and multilib crtbegin/end.o.
+
+2003-01-29 Joel Sherrill <joel@OARcorp.com>
+
+ PR bootstrap/9292
+ * config.gcc (hppa1.1-rtems): Did not include t-rtems nor enable
+ RTEMS threads.
+ * config/pa/rtems.h (LIB_SPEC): Use -N when linking.
+
+2003-01-29 Nick Clifton <nickc@redhat.com>
+
+ * Makefile.in (c-parse.o): Locate source file in $(parsedir)
+ not $(srcdir).
+
+2003-01-29 Andrew Haley <aph@redhat.com>
+
+ * tree-inline.c (walk_tree): Add CHAR_TYPE.
+
+Wed Jan 29 10:26:12 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (subdi3_carry_rex64): Fix typo.
+
+2003-01-28 Stan Shebs <shebs@apple.com>
+
+ * coretypes.h (cpp_reader): Forward declare struct.
+ * c-pragma.h (cpp_reader): Remove forward declaration.
+ * hashtable.h (cpp_reader): Likewise.
+ * scan.h (cpp_reader): Likewise.
+ * tree.h (cpp_reader): Likewise.
+ * config/darwin-protos.h (cpp_reader): Likewise.
+ * config/arm/arm-protos.h (cpp_reader): Likewise.
+ * config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
+ struct cpp_reader in prototypes.
+
+2003-01-28 Christian Cornelssen <ccorn@cs.tu-berlin.de>
+
+ * doc/install.texi: Add documentation for installation into
+ tooldirs and with DESTDIR.
+
+2003-01-28 Richard Henderson <rth@redhat.com>
+
+ * config.gcc (ia64*-*-aix*): Remove.
+ * config/ia64/aix.h, config/ia64/t-aix: Remove file.
+ * config/ia64/unwind-aix.c: Remove file.
+
+2003-01-28 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.md (tablejump+2): Don't sign extend an address
+ register.
+ * config/m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/coff.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/mot3300.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
+ * config/m68k/pbb.h (ASM_RETURN_CASE_JUMP): Likewise.
+
+2003-01-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * combine.c (nonzero_bits): Fix check for negative divide operands.
+
+2003-01-28 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (ia64_rwreloc_section_type_flags): New.
+ * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): New.
+
+2003-01-28 Richard Henderson <rth@redhat.com>
+
+ * cse.c (find_best_addr): Kill !ADDRESS_COST code.
+
+ * config/cris/cris.c (cris_address_cost): Make static.
+ (TARGET_RTX_COSTS, TARGET_ADDRESS_COST): New.
+ * config/cris/cris.h (ADDRESS_COST): Remove.
+ * config/cris/cris-protos.h: Update.
+
+2003-01-23 Mike Stump <mrs@apple.com>
+
+ * regclass.c (init_reg_autoinc): New function.
+ (regclass): Move initialization of forbidden_inc_dec_class from
+ here...
+ (init_regs): to here. Avoids reinitialization for each function,
+ saving compilation time.
+
+2003-01-28 Jason Merrill <jason@redhat.com>
+
+ * cpplib.h (struct cpp_options): Add warn_deprecated field.
+ * cppinit.c (cpp_create_reader): Turn it on by default.
+ * c-opts.c (c_common_decode_option): Set it.
+ * cpplib.c (do_pragma_once): Only complain about #pragma once
+ if warn_deprecated is set.
+
+2003-01-28 Dale Johannesen <dalej@apple.com>
+
+ * emit-rtl.c (const_double_htab_hash): Use mode in the hash.
+ * loop.c (scan_loop): Move movables on -Os rich-register targets.
+ * config/rs6000/rs6000.md (sibcall*): Use match_operand for LR.
+
+2003-01-28 Richard Henderson <rth@redhat.com>
+
+ * target.h (targetm.address_cost): New.
+ * target-def.h (TARGET_ADDRESS_COST): New.
+ (TARGET_RTX_COSTS): Uncomment. Oops.
+ * cse.c (address_cost): Use new target hook.
+ (default_address_cost): New.
+ * output.h (default_address_cost): Declare.
+ * hooks.c (hook_int_rtx_0): New.
+ * hooks.h (hook_int_rtx_0): Declare.
+ * loop.c (combine_givs_p): Remove if 0 code.
+ * system.h (ADDRESS_COST): Poison.
+
+ * config/alpha/alpha.c, config/alpha/alpha.h, config/d30v/d30v.c,
+ config/d30v/d30v.h, config/ia64/ia64.c, config/ia64/ia64.h,
+ config/m32r/m32r.c, config/m32r/m32r.h, config/mcore/mcore.c,
+ config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.h,
+ config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/sparc/sparc.c,
+ config/sparc/sparc.h, config/v850/v850.c, config/v850/v850.h,
+ config/xtensa/xtensa.c, config/xtensa/xtensa.h
+ (TARGET_ADDRESS_COST): Define as hook_int_rtx_0.
+ (ADDRESS_COST): Remove.
+
+ * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
+ config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
+ config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
+ config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
+ config/dsp16xx/dsp16xx.h, config/i386/i386-protos.h,
+ config/i386/i386.c, config/i386/i386.h, config/i960/i960-protos.h,
+ config/i960/i960.c, config/i960/i960.h, config/ip2k/ip2k-protos.h,
+ config/ip2k/ip2k.c, config/ip2k/ip2k.h, config/mips/mips-protos.h,
+ config/mips/mips.c, config/mips/mips.h,
+ config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
+ config/m68hc11/m68hc11.h, config/ns32k/ns32k-protos.h,
+ config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-protos.h,
+ config/pa/pa.c, config/pa/pa.h, config/s390/s390-protos.h,
+ config/s390/s390.c, config/s390/s390.h, config/vax/vax-protos.h,
+ config/vax/vax.c, config/vax/vax.h
+ (foo_address_cost): Make static.
+ (TARGET_ADDRESS_COST): New.
+ (ADDRESS_COST): Remove.
+
+ * config/arm/arm.h, config/arm/arm.c, config/m88k/m88k.h,
+ config/m88k/m88k.c, config/romp/romp.h, config/romp/romp.c,
+ config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
+ config/stormy16/stormy16.h
+ (ADDRESS_COST): Move code ...
+ (foo_address_cost): ... here.
+ (TARGET_ADDRESS_COST): New.
+
+ * config/m32r/m32r.c (m32r_address_cost): Remove.
+ * config/m32r/m32r-protos.h: Update.
+
+ * config/mmix/mmix.c (mmix_address_cost): Remove.
+ * config/mmix/mmix-protos.h: Update.
+
+ * config/mn10300/mn10300.c (mn10300_address_cost_1): Rename from
+ mn10300_address_cost; move unsig allocation ...
+ (mn10300_address_cost): ... here.
+ (TARGET_ADDRESS_COST): New.
+ * config/mn10300/mn10300-protos.h: Update.
+ * config/mn10300/mn10300.h (ADDRESS_COST): Remove.
+
+ * doc/tm.texi: Update.
+
+2003-01-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ * haifa-sched.c (schedule_insn): Return necessary cycle advance
+ after issuing the insn.
+ (rank_for_schedule): Make a insn with /S the highest priority
+ insn.
+ (move_insn): Ignore schedule groups. Clear SCHED_GROUP_P.
+ (choose_ready): Check SCHED_GROUP_P.
+ (schedule_block): Advance cycle after issuing insn if it is
+ necessary. Don't reorder insns if there is an insn with /S.
+ (set_priorities): Ignore schedule groups.
+
+ * sched-deps.c (remove_dependence, group_leader): Remove the
+ functions.
+ (add_dependence): Ignore schedule groups.
+ (set_sched_group_p): Don't make copy of dependencies from previous
+ insn of the schedule group. Add anti-dependency to the previous
+ insn of the schedule group.
+ (compute_forward_dependences): Ignore schedule groups.
+
+ * sched-ebb.c (init_ready_list): Ignore schedule groups.
+
+ * sched-rgn.c (init_ready_list): Ditto.
+ (can_schedule_ready_p): Ditto.
+
+2003-01-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ * config/i386/i386.md (*movsi_1): Use movdqa to move one xmm
+ register to another one.
+
+2003-01-28 Richard Henderson <rth@redhat.com>
+
+ * calls.c (default_must_pass_in_stack): Fix typo in !type case.
+
+2003-01-28 Roger Sayle <roger@eyesopen.com>
+
+ * cse.c (cse_insn): Avoid redundant REG_EQUAL notes.
+
+2003-01-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/sh/sh.h (CLASS_MAX_NREGS): If TARGET_SHMEDIA, and the given
+ class contains a floating-point register, return the size of the
+ mode in half words.
+
+Tue Jan 28 12:15:13 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_carry_flag_operator): New predicate.
+ (fcmov_operator): Fix whitespace.
+ (ix86_expand_carry_flag_compare): Deal with floating point.
+ (ix86_expand_int_movcc): Deal with fp; update insn expansion
+ (ix86_expand_int_addcc): Likewise.
+ (ix86_expand_strlensi_unroll_1): likewsie.
+ * i386.h (PREDICATE_CODES): Add ix86_carry_flag_operator.
+ * i386.md (add?i_carry_rex64): Use new predicate.
+ (sub?i3_carry_rex64): Likewise.
+ (x86_mov?icc_0_m1*): Likewise.
+
+2003-01-28 Andreas Schwab <schwab@suse.de>
+
+ * cfgloopmanip.c (create_preheader): Initialize src to avoid
+ warning.
+
+ * expmed.c (emit_store_flag): Fix cast to avoid sign
+ comparison warning.
+
+ * combine.c (force_to_mode): Add cast to fix warning when
+ STORE_FLAG_VALUE is negative.
+
+2003-01-27 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (cse.o): Depend on TARGET_H.
+ * cse.c (rtx_cost): Use targetm.rtx_costs.
+ * system.h (CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS): Poison.
+ * doc/tm.texi: Update.
+
+ * target.h (targetm.rtx_costs): New.
+ * target-def.h (TARGET_RTX_COSTS): New.
+ * hooks.c (hook_bool_rtx_int_int_intp_false): New.
+ * hooks.h: Update.
+
+ * config/alpha/alpha.c (alpha_rtx_cost_data): New.
+ (alpha_rtx_costs, TARGET_RTX_COSTS): New.
+ * config/alpha/alpha.h (PROCESSOR_MAX): New.
+ (CONST_COSTS, RTX_COSTS): Remove.
+
+ * config/arc/arc.c, config/arc/arc.h, config/c4x/c4x.c,
+ config/c4x/c4x.h, config/cris/cris.c, config/cris/cris.h,
+ config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.c,
+ config/dsp16xx/dsp16xx.h, config/frv/frv.c, config/frv/frv.h,
+ config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
+ config/i370/i370.h, config/i386/i386.c, config/i386/i386.h,
+ config/i960/i960.c, config/i960/i960.h, config/ia64/ia64.c,
+ config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h,
+ config/m68k/m68k.c, config/m68k/m68k.h, config/m88k/m88k.c,
+ config/m88k/m88k.h, config/mcore/mcore.c, config/mcore/mcore.h,
+ config/mips/mips.c, config/mips/mips.h, config/mn10200/mn10200.c,
+ config/mn10200/mn10200.h, config/mn10300/mn10300.c,
+ config/mn10300/mn10300.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h,
+ config/pa/pa.c, config/pa/pa.h, config/pdp11/pdp11.c,
+ config/pdp11/pdp11.h, config/romp/romp.c, config/romp/romp.h,
+ config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/s390/s390.c,
+ config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
+ config/stormy16/stormy16.c, config/stormy16/stormy16.h,
+ config/v850/v850.c, config/v850/v850.h,
+ config/xtensa/xtensa.c, config/xtensa/xtensa.h
+ (CONST_COSTS, RTX_COSTS): Move code ...
+ (foo_rtx_costs, TARGET_RTX_COSTS): ... here.
+
+ * config/arm/arm.c (arm_rtx_costs_1): Rename from arm_rtx_costs.
+ (arm_rtx_costs, TARGET_RTX_COSTS): New.
+ * config/arm/arm-protos.h: Update.
+ * config/arm/arm.h (DEFAULT_RTX_COSTS): Remove.
+
+ * config/avr/avr.h (CONST_COSTS): Move code ...
+ * config/avr/avr.c (avr_rtx_costs): ... here.
+ (default_rtx_costs): Make static.
+ * config/avr/avr-protos.h: Update.
+
+ * config/h8300/h8300.c (const_costs): Make static.
+ (h8300_and_costs, h8300_shift_costs): Likewise.
+ * config/h8300/h8300-protos.h: Update.
+
+ * config/ip2k/ip2k.h (DEFAULT_RTX_COSTS): Remove.
+ (CONST_COSTS): Move code ...
+ * config/ip2k/ip2k.c (ip2k_rtx_costs): ... here. Rename from
+ default_rtx_costs; update for signature change.
+ * config/ip2k/ip2k-protos.h: Update.
+
+ * config/m68hc11/m68hc11.h (RTX_COSTS): Remove.
+ (CONST_COSTS): Move code ...
+ * config/m68hc11/m68hc11.c (m68hc11_rtx_costs): ... here.
+ (TARGET_RTX_COSTS): New.
+ (m68hc11_rtx_costs_1): Rename from m68hc11_rtx_costs; make static.
+ * config/m68hc11/m68hc11-protos.h: Update.
+
+ * config/m68k/m68k.c (const_int_cost): Make static.
+ * config/m68k/m68k-protos.h: Update.
+
+ * config/mcore/mcore.c (mcore_const_costs): Make static.
+ (mcore_and_cost, mcore_ior_cost): Likewise.
+ * config/mcore/mcore-protos.h: Update.
+
+ * config/mmix/mmix.c (mmix_rtx_costs, TARGET_RTX_COSTS): New.
+ (mmix_rtx_cost_recalculated): Remove.
+ * config/mmix/mmix.h (DEFAULT_RTX_COSTS): Remove.
+ * config/mmix/mmix-protos.h: Update.
+
+ * config/sh/sh.c (shiftcosts): Make static.
+ (addsubcosts, andcosts, multcosts): Likewise.
+ * config/sh/sh-protos.h: Update.
+
+ * config/sparc/sparc.c (TARGET_RTX_COSTS): New.
+ (sparc_rtx_costs): Make static; update for change in signature.
+ * config/sparc/sparc.h (RTX_COSTS_CASES, RTX_COSTS): Remove.
+ * config/sparc/sparc-protos.h: Update.
+
+ * config/v850/v850.c (const_costs): Make static.
+ * config/v850/v850-protos.h: Update.
+
+ * config/vax/vax.h (RTX_COSTS): Remove.
+ (CONST_COSTS): Move code ...
+ * config/vax/vax.c (vax_rtx_costs_1): ... here; rename
+ from vax_rtx_cost.
+ (vax_rtx_costs, TARGET_RTX_COSTS): New.
+
+2003-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/vax/vax.h (ASM_OUTPUT_MI_THUNK): Remove. Really.
+ * config/vax/vax-protos.h: Update. Really.
+
+2003-01-28 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mips/mips.h (UNITS_PER_HWFPVALUE): Renamed from...
+ (UNITS_PER_FPVALUE): Defined as the width of a long double, or
+ zero if no hardware floating point.
+ (LONG_DUBLE_TYPE_SIZE): Set to 128 on N32 and N64.
+ (MAX_FIXED_MODE_SIZE): Define to LONG_DOUBLE_TYPE_SIZE.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
+ (BIGGEST_ALIGNMENT): Same as LONG_DOUBLE_TYPE_SIZE.
+ (FUNCTION_VALUE_REGNO_P): Set for FP_RETURN+2 on N32 and N64.
+ * config/mips/mips.c (mips_arg_info): Pass TFmode values in
+ even FP registers on N32 and N64.
+ (mips_setup_incoming_varargs): Use UNITS_PER_HWFPVALUE.
+ (mips_va_start): Adjust alignment of ARG_POINTER_REGNUM.
+ (mips_va_arg): Use UNITS_PER_HWFPVALUE. Impose additional
+ even-register-like alignment to 128-bit arguments.
+ (save_restore_insns): Use UNITS_PER_HWFPVALUE.
+ (mips_function_value): Likewise. Return TFmode in $f0 and $f2
+ on N32 or N64.
+ * config/mips/_tilib.c (__negti2, __ashlti3, __lshrti3): New.
+ * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Add _tilib.c.
+ (TPBIT): Set to tp-bit.c.
+ (tp-bit.c): Create out of fp-bit.c.
+
2003-01-28 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-parse.in: Remove '%expect 32' directive in objc mode.
* gcc/doc/invoke.texi (Optimization Options): Group together
optional and experimental flags. Move trapv and bounds-check
- out of this section.
+ out of this section. Group floating point flags together.
(Code Gen Options): Move trapv and bounds-check to here.
2003-01-27 Josef Zlomek <zlomekj@suse.cz>
2003-01-25 Ulrich Weigand <uweigand@de.ibm.com>
- * reload.c (maybe_memory_address_p): New function.
- (find_reloads_address): Use it instead of memory_address_p.
+ * reload.c (maybe_memory_address_p): New function.
+ (find_reloads_address): Use it instead of memory_address_p.
2003-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
* final.c (shorten_branches): Align the address of code label
- when computing initial lengths and addresses.
+ when computing initial lengths and addresses.
2003-01-25 Kazu Hirata <kazu@cs.umass.edu>
* alloc-pool.c: New file.
* alloc-pool.h: New file.
-2002-12-18 Loren James Rittle <rittle@labs.mot.com>
+2002-12-18 Loren James Rittle <ljrittle@acm.org>
* gcc.c (validate_switches): Robustify against skipping past '\0'.
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