initial import from Debian

version: 14.3.0-5
commit: bee30ab0fff2fd6af94c62376c8aa4221bb831e0

debian/patches/alpha-ieee-doc.diff

@@ -0,0 +1,24 @@
+# DP: #212912
+# DP: on alpha-linux, make -mieee default and add -mieee-disable switch
+# DP: to turn default off (doc patch)
+
+---
+ gcc/doc/invoke.texi |    7 +++++++
+ 1 files changed, 7 insertions(+), 0 deletions(-)
+
+--- a/src/gcc/doc/invoke.texi
++++ b/src/gcc/doc/invoke.texi
+@@ -25470,6 +25470,13 @@ able to correctly support denormalized n
+ values such as not-a-number and plus/minus infinity.  Other Alpha
+ compilers call this option @option{-ieee_with_no_inexact}.
+ 
++DEBIAN SPECIFIC: This option is on by default for alpha-linux-gnu, unless
++@option{-ffinite-math-only} (which is part of the @option{-ffast-math}
++set) is specified, because the software functions in the GNU libc math
++libraries generate denormalized numbers, NaNs, and infs (all of which
++will cause a programs to SIGFPE when it attempts to use the results without
++@option{-mieee}).
++
+ @opindex mieee-with-inexact
+ @item -mieee-with-inexact
+ This is like @option{-mieee} except the generated code also maintains