[Bug target/71151] [avr] -fmerge-constants and -fdata-sections/-ffunction-sections results in string constants in .progmem.gcc_sw section

["gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71151

--- Comment #15 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Author: gjl
Date: Mon Aug  1 09:15:24 2016
New Revision: 238935

URL: https://gcc.gnu.org/viewcvs?rev=238935&root=gcc&view=rev
Log:
gcc/
        Backport from 2016-06-16 trunk r237536.
        2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
        PR target/71151
        * config/avr/avr.c (avr_asm_init_sections): Remove setup of
        progmem_swtable_section.
        (progmem_swtable_section): Remove.
        (avr_asm_function_rodata_section): Remove.
        (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
        * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Define to 1.

testsuite/
        Backport from 2016-06-16 trunk r237536, r237910.
        2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
        PR target/71151
        * gcc.target/avr/pr71151-1.c: New test.
        * gcc.target/avr/pr71151-2.c: New test.
        * gcc.target/avr/pr71151-3.c: New test.
        * gcc.target/avr/pr71151-4.c: New test.
        * gcc.target/avr/pr71151-5.c: New test.
        * gcc.target/avr/pr71151-6.c: New test.
        * gcc.target/avr/pr71151-7.c: New test.
        * gcc.target/avr/pr71151-8.c: New test.
        * gcc.target/avr/pr71151-common.h: New file.


Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-1.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-2.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-3.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-4.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-5.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-6.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-7.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-8.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/avr/pr71151-common.h
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/avr/avr.c
    branches/gcc-6-branch/gcc/config/avr/avr.h
    branches/gcc-6-branch/gcc/testsuite/ChangeLog