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From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug driver/47785] GCC with -flto does not pass options to the assembler
Date: Wed, 23 Sep 2015 12:11:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47785

--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Another instance on x86_64-apple-darwin14 with Xcode 7

[Book15] f90/bug% gcc6 /opt/gcc/_clean/gcc/testsuite/gcc.dg/debug/pr41893-1.c
-gstabs1 -Wa,-Q -flto -fwhole-program -O
/opt/gcc/_clean/gcc/testsuite/gcc.dg/debug/pr41893-2.c
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:1:9: error:
unsupported directive '.stabs'
        .stabs 
"/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccnRWDSD.ltrans0.o",100,0,0,Ltext0
                ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:4:9: error:
unsupported directive '.stabs'
        .stabs  "gcc2_compiled.",60,0,0,0
                ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:8:9: error:
unsupported directive '.stabs'
        .stabs 
"/opt/gcc/_clean/gcc/testsuite/gcc.dg/debug/pr41893-1.c",132,0,0,Ltext1
                ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:10:2: error:
unknown directive
        .stabd  68,0,16
        ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:13:2: error:
unknown directive
        .stabd  68,0,16
        ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:17:9: error:
unsupported directive '.stabs'
        .stabs  "main:F(0,1)=r(0,1);-2147483648;2147483647;",36,0,0,_main
                ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:22:2: error:
unknown directive
        .stabd  68,0,12
        ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:27:9: error:
unsupported directive '.stabs'
        .stabs  "func1:F(0,2)=(0,2)",36,0,0,_func1
                ^
/var/folders/8q/sh_swgz96r7f5vnn08f7fxr00000gn/T//ccJ7keUF.s:72:9: error:
unsupported directive '.stabs'
        .stabs  "",100,0,0,Letext0
                ^
lto-wrapper: fatal error: gcc6 returned 1 exit status
compilation terminated.
collect2: fatal error: lto-wrapper returned 1 exit status
compilation terminated.