[gcc/devel/c++-modules] (55 commits) Merge trunk 63496cbea58

[Nathan Sidwell]

The branch 'devel/c++-modules' was updated to point to:

 d3af74a5cf0... Merge trunk 63496cbea58

It previously pointed to:

 2711152d899... Merge trunk d50310408f5 c++: Implement C++20 'using enum'

Diff:

Summary of changes (added commits):
-----------------------------------

  d3af74a... Merge trunk 63496cbea58
  33ef708... using enum support
  63496cb... modref: add missing Param Optimization keywords (*)
  9b2e9a0... Fix -param=modref-max-depth in params.opt (*)
  9dbf8dc... pointer-compare-1.c: Add __attribute__((used)) (*)
  b2099e9... libstdc++: Fix error shown during Solaris build (*)
  82e44f5... Add .cache to git ignore. (*)
  27f7fb7... gcov: Add -fprofile-info-section support (*)
  d0a206a... tree-optimization/97838 - fix SLP leaf detection (*)
  5e303cd... Prefer bit-test over the jump table. (*)
  d12603b... tree-optimization/97835 - fix step vector construction for  (*)
  aaccdb9... tree-optimization/97830 - fix compare of incomplete type si (*)
  c2099c1... Put PREFETCHW back to march=broadwell (*)
  cba3065... Daily bump. (*)
  c746fc4... MSP430: Fix inconsistent naming of hwmult libfuncs (*)
  814949d... MSP430: Define function to check 16-bit hwmult support (*)
  9243f0f... testsuite: fix ipa/modref-2.c on ilp32 (*)
  6403e02... testsuite: Update scanning symbol sections to support AIX. (*)
  8b3be94... VAX: Use `rtx_code' to hold the RTL expression code in `vax (*)
  9ba5e92... VAX/testsuite: Fix compilation options for `bswapdi-1.c' (*)
  075fdf8... VAX: Fix a typo in NO_EXTERNAL_INDIRECT_ADDRESS (*)
  c454324... VAX: Correct a typo in PIC symbolic addition operand checks (*)
  baf38d2... c++: Check abstract type only on object creation. [PR86252] (*)
  82b6d25... Remove duplicate vr_values::extract_range_builtin code. (*)
  253c415... Do not put reload insns in the last empty BB. (*)
  26285af... Mare return to clear EAF_UNUSED flag. (*)
  faab61b... Daily bump. (*)
  406b452... testsuite, Objective-C : Amend PR23214 for Darwin11. (*)
  b1cd56a... Escape parameters in gcc.dg/torture/pta-ptrarith-1.c (*)
  520d5ad... Detect EAF flags in ipa-modref (*)
  2873c8a... dwarf2: Emit DW_TAG_unspecified_parameters even in late DWA (*)
  8270a72... Simplify testing symbol sections (*)
  207de83... PR target/97682 - Fix to reuse t1 register between call add (*)
  dcf0dde... Asan changes for RISC-V. (*)
  a4dd85e... openmp: Add support for non-VLA {,first}private allocate on (*)
  77f67db... Daily bump. (*)
  4d039cb... libstdc++: Use custom timespec in system calls [PR 93421] (*)
  b8d36dc... libstdc++: Remove redundant overflow check for futex timeou (*)
  e400a64... c: C2x binary constants (*)
  f3dc991... Revert accidental commit (*)
  5cd4f89... testsuite: guality/redeclaration1.C test workaround (*)
  1d9a867... c++: Predefine __STDCPP_THREADS__ in the compiler if thread (*)
  ccd56db... In 'gcc/omp-oacc-kernels-decompose.cc', use langhook instea (*)
  e898ce7... Decompose OpenACC 'kernels' constructs into parts, a sequen (*)
  bd78857... More explicit checking of which OMP constructs we're expect (*)
  703e4f8... Attach an attribute to all outlined OpenACC compute regions (*)
  d1ba078... Add 'libgomp.oacc-fortran/pr94358-1.f90' [PR94358] (*)
  d4a3152... c++: Add feature test macro for C++20 using enum. (*)
  1a90e99... Fix modref insertion hook. (*)
  8fca814... Copied arguments are readonly (*)
  9100443... libstdc++: Avoid more 32-bit time_t overflows in futex call (*)
  500e7ef... Clarify the documentation for the ms_abi fucntion attribute (*)
  fcbb601... Re: Fix gimple_expr_code? (*)
  8409649... libiberty: Support the new ("v0") mangling scheme in rust-d (*)
  16b00dc... Make strstr.c in libiberty ANSI compliant (*)

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