[Bug target/86027] string literals get corrupted with -O3 and gas on solaris i386

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86027

--- Comment #2 from Michael Teske <subscribe at teskor dot de> ---
Comparing the assembler output got my guess confirmed.

The generated code on 7.3.0 starts with:
        .file   "comperr.cpp"
        .text
        .section       
.gnu.linkonce.r._ZN19SystemCallExceptionC1EPKcl.str1.1,"aMS",@progbits,1
.LC0:
        .string "Exception: "
.LC1:
        .string "\n"
.LC2:
        .string "12"


If I change the attributes of the first section in line 3 from .gnu.linkonce...
to
       .section        .rodata

like it is on 8.1, the problem is gone.