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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug testsuite/29049] [gdb, check-read1] FAIL: gdb.rust/unicode.exp:
 print D in string
Date: Tue, 14 Jun 2022 07:20:42 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29049

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom Tromey from comment #1)
> I don't really have a theory about this one.
> I don't see why read1 would affect this.

I've tried this to see if this was related to reading in the .exp file:
...
diff --git a/gdb/testsuite/gdb.rust/unicode.exp b/gdb/testsuite/gdb.rust/un=
icod
e.exp
index d091a8ac92e..ae22033bcfd 100644
--- a/gdb/testsuite/gdb.rust/unicode.exp
+++ b/gdb/testsuite/gdb.rust/unicode.exp
@@ -41,11 +41,15 @@ if {![runto ${srcfile}:$line]} {
     return -1
 }

-gdb_test "print =F0=9D=95=AF" " =3D 98" "print D"
-gdb_test "print \"=F0=9D=95=AF\"" " =3D \"=F0=9D=95=AF\"" "print D in stri=
ng"
+gdb_test "show charset"
+
+set dsym [encoding convertfrom utf-8 \xf0\x9D\x95\xaf]
+set csym [encoding convertfrom utf-8 \xc3\xa7]
+gdb_test "print $dsym" " =3D 98" "print D"
+gdb_test "print \"$dsym\"" " =3D \"$dsym\"" "print D in string"
 # This output is maybe not ideal, but it also isn't incorrect.
-gdb_test "print '=F0=9D=95=AF'" " =3D 120175 '\\\\u\\\{01d56f\\\}'" \
+gdb_test "print '$dsym'" " =3D 120175 '\\\\u\\\{01d56f\\\}'" \
     "print D as char"
-gdb_test "print c=C3=A7" " =3D 97" "print cc"
+gdb_test "print c$csym" " =3D 97" "print cc"

-gdb_test "print '=C3=A7c'" "overlong character literal" "print cc as char"
+gdb_test "print '${csym}c'" "overlong character literal" "print cc as c
har"
...
but that didn't help.

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