[Bug 294110] example: /usr/local/lib/gcc15/libgcc_s.so.1 vs. lib/libgcc_s.so.1 symbols

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294110

            Bug ID: 294110
           Summary: example: /usr/local/lib/gcc15/libgcc_s.so.1 vs.
                    lib/libgcc_s.so.1 symbols
           Product: Base System
           Version: 16.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: marklmi26-fbsd@yahoo.com

amd64 example.

The "+" symbols in the below are symbols that gcc15's
libgcc_s.so.1 has but FreeBSD 16-CURRENT does not have
an exact match for, as of an upgrade to the officially
distributed pkgbase 16.snap20260324221826 . "-" is for
symbols in FreeBSD's libgcc_s.so.1 that do not exist in
gcc15's.

amd64 does not have examples of lines with the same
right hand side name, unlike the aarch64 example
( https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294109 ).

Matching lines are not shown at all below.

--- /usr/home/root/fbsd_main_lbgcc_s_GCC_symbols_amd64.txt      2026-03-28
20:05:41.916885000 -0700
+++ /usr/home/root/gcc15_lbgcc_s_GCC_symbols_amd64.txt  2026-03-28
20:06:03.659592000 -0700
+GCC_14.0.0     GCC_14.0.0
+GCC_3.0        GCC_3.0
+GCC_3.3        GCC_3.3
+GCC_3.3.1      GCC_3.3.1
+GCC_3.4        GCC_3.4
+GCC_3.4.2      GCC_3.4.2
+GCC_3.4.4      GCC_3.4.4
+GCC_4.0.0      GCC_4.0.0
+GCC_4.2.0      GCC_4.2.0
+GCC_4.3.0      GCC_4.3.0
+GCC_4.6.0      GCC_4.6.0
+GCC_4.7.0      GCC_4.7.0
+GCC_4.8.0      GCC_4.8.0
+GCC_7.0.0      GCC_7.0.0
+GCC_4.6.0      __addtf3
-GCC_3.0        __ashldi3
-GCC_3.0        __ashrdi3
+GCC_4.7.0      __clrsbdi2
+GCC_4.7.0      __clrsbti2
-GCC_3.4        __clzsi2
-GCC_3.0        __cmpdi2
+GCC_4.8.0      __cpu_indicator_init
+GCC_4.8.0      __cpu_model
-GCC_3.4        __ctzsi2
-GCC_3.0        __divdi3
+GCC_14.0.0     __divmodbitint4
+GCC_7.0.0      __divmodti4
+GCC_4.6.0      __divtc3
+GCC_4.6.0      __divtf3
+GCC_4.3.0      __emutls_get_address
+GCC_4.3.0      __emutls_register_common
+GCC_4.6.0      __eqtf2
+GCC_4.6.0      __extenddftf2
+GCC_3.0        __extendsfdf2
+GCC_4.6.0      __extendsftf2
+GCC_14.0.0     __fixdfbitint
-GCC_3.0        __fixdfdi
+GCC_14.0.0     __fixsfbitint
-GCC_3.0        __fixsfdi
+GCC_4.6.0      __fixtfdi
+GCC_4.6.0      __fixtfsi
+GCC_4.6.0      __fixtfti
-GCC_3.0        __fixunsdfsi
-GCC_3.0        __fixunssfsi
+GCC_4.6.0      __fixunstfdi
+GCC_4.6.0      __fixunstfsi
+GCC_4.6.0      __fixunstfti
-GCC_3.0        __fixunsxfsi
-GCC_3.0        __fixxfdi
+GCC_14.0.0     __floatbitintdf
+GCC_14.0.0     __floatbitintsf
-GCC_3.0        __floatdidf
-GCC_3.0        __floatdisf
+GCC_4.6.0      __floatditf
-GCC_3.0        __floatdixf
+GCC_4.6.0      __floatsitf
+GCC_4.6.0      __floattitf
-GCC_4.2.0      __floatundidf
-GCC_4.2.0      __floatundisf
+GCC_4.6.0      __floatunditf
-GCC_4.2.0      __floatundixf
+GCC_4.6.0      __floatunsitf
+GCC_4.6.0      __floatuntitf
+GCC_4.6.0      __getf2
+GCC_4.6.0      __gttf2
+GCC_14.0.0     __hardcfr_check
+GCC_4.6.0      __letf2
-GCC_3.0        __lshrdi3
+GCC_4.6.0      __lttf2
-GCC_3.0        __moddi3
+GCC_14.0.0     __mulbitint3
-GCC_3.0        __muldi3
+GCC_4.6.0      __multc3
+GCC_4.6.0      __multf3
-GCC_3.0        __negdi2
+GCC_4.6.0      __negtf2
+GCC_4.6.0      __netf2
-GCC_3.4        __paritysi2
-GCC_3.4        __popcountsi2
+GCC_4.6.0      __powitf2
+GCC_14.0.0     __strub_enter
+GCC_14.0.0     __strub_leave
+GCC_14.0.0     __strub_update
+GCC_4.6.0      __subtf3
+GCC_3.0        __truncdfsf2
+GCC_4.6.0      __trunctfdf2
+GCC_4.6.0      __trunctfsf2
-GCC_3.0        __ucmpdi2
-GCC_3.0        __udivdi3
-GCC_3.0        __udivmoddi4
-GCC_3.0        __umoddi3
+GCC_4.6.0      __unordtf2

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